Home / 52,120.38-71,925.84-28,246.80

Finding the Fourth Proportional to 52,120.38, 71,925.84 and 28,246.80

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Solution

The fourth proportional to 52,120.38, 71,925.84 and 28,246.80 is: 38,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.38 : 71,925.84 = 28,246.80 : x
  2. Step 2: Convert to fraction form
    52,120.38/71,925.84 = 28,246.80/x
  3. Step 3: Cross multiply
    52,120.38x = 71,925.84 × 28,246.80
  4. Step 4: Simplify right side
    52,120.38x = 2,031,674,817.31
  5. Step 5: Solve for x
    x = 2,031,674,817.31/52,120.38
  6. Step 6: Final answer
    x = 38,980.43

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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.