Home / 52,120.20-71,925.86-28,246.88

Finding the Fourth Proportional to 52,120.20, 71,925.86 and 28,246.88

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Solution

The fourth proportional to 52,120.20, 71,925.86 and 28,246.88 is: 38,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.20 : 71,925.86 = 28,246.88 : x
  2. Step 2: Convert to fraction form
    52,120.20/71,925.86 = 28,246.88/x
  3. Step 3: Cross multiply
    52,120.20x = 71,925.86 × 28,246.88
  4. Step 4: Simplify right side
    52,120.20x = 2,031,680,776.69
  5. Step 5: Solve for x
    x = 2,031,680,776.69/52,120.20
  6. Step 6: Final answer
    x = 38,980.68

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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.