Home / 52,128.12-71,824.14-35,331.96

Finding the Fourth Proportional to 52,128.12, 71,824.14 and 35,331.96

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Solution

The fourth proportional to 52,128.12, 71,824.14 and 35,331.96 is: 48,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.12 : 71,824.14 = 35,331.96 : x
  2. Step 2: Convert to fraction form
    52,128.12/71,824.14 = 35,331.96/x
  3. Step 3: Cross multiply
    52,128.12x = 71,824.14 × 35,331.96
  4. Step 4: Simplify right side
    52,128.12x = 2,537,687,641.51
  5. Step 5: Solve for x
    x = 2,537,687,641.51/52,128.12
  6. Step 6: Final answer
    x = 48,681.74

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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.