Home / 35,347.06-48,776.88-19,431.51

Finding the Fourth Proportional to 35,347.06, 48,776.88 and 19,431.51

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Solution

The fourth proportional to 35,347.06, 48,776.88 and 19,431.51 is: 26,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.06 : 48,776.88 = 19,431.51 : x
  2. Step 2: Convert to fraction form
    35,347.06/48,776.88 = 19,431.51/x
  3. Step 3: Cross multiply
    35,347.06x = 48,776.88 × 19,431.51
  4. Step 4: Simplify right side
    35,347.06x = 947,808,321.44
  5. Step 5: Solve for x
    x = 947,808,321.44/35,347.06
  6. Step 6: Final answer
    x = 26,814.35

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Double scale
Find fourth proportional to 35,348.06, 48,778.26 and 19,432.51
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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.