Home / 51,603.20-71,146.48-33,421.80

Finding the Fourth Proportional to 51,603.20, 71,146.48 and 33,421.80

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Solution

The fourth proportional to 51,603.20, 71,146.48 and 33,421.80 is: 46,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.20 : 71,146.48 = 33,421.80 : x
  2. Step 2: Convert to fraction form
    51,603.20/71,146.48 = 33,421.80/x
  3. Step 3: Cross multiply
    51,603.20x = 71,146.48 × 33,421.80
  4. Step 4: Simplify right side
    51,603.20x = 2,377,843,425.26
  5. Step 5: Solve for x
    x = 2,377,843,425.26/51,603.20
  6. Step 6: Final answer
    x = 46,079.38

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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.