Home / 52,002.56-71,763.45-28,129.16

Finding the Fourth Proportional to 52,002.56, 71,763.45 and 28,129.16

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Solution

The fourth proportional to 52,002.56, 71,763.45 and 28,129.16 is: 38,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.56 : 71,763.45 = 28,129.16 : x
  2. Step 2: Convert to fraction form
    52,002.56/71,763.45 = 28,129.16/x
  3. Step 3: Cross multiply
    52,002.56x = 71,763.45 × 28,129.16
  4. Step 4: Simplify right side
    52,002.56x = 2,018,645,567.20
  5. Step 5: Solve for x
    x = 2,018,645,567.20/52,002.56
  6. Step 6: Final answer
    x = 38,818.20

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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.