Home / 40,146.51-55,378.40-24,221.55

Finding the Fourth Proportional to 40,146.51, 55,378.40 and 24,221.55

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Solution

The fourth proportional to 40,146.51, 55,378.40 and 24,221.55 is: 33,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.51 : 55,378.40 = 24,221.55 : x
  2. Step 2: Convert to fraction form
    40,146.51/55,378.40 = 24,221.55/x
  3. Step 3: Cross multiply
    40,146.51x = 55,378.40 × 24,221.55
  4. Step 4: Simplify right side
    40,146.51x = 1,341,350,563.41
  5. Step 5: Solve for x
    x = 1,341,350,563.41/40,146.51
  6. Step 6: Final answer
    x = 33,411.39

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Half scale
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Double scale
Find fourth proportional to 40,147.51, 55,379.77 and 24,222.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.