Home / 71,555.28-107,332.92-18,966.84

Finding the Fourth Proportional to 71,555.28, 107,332.92 and 18,966.84

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Solution

The fourth proportional to 71,555.28, 107,332.92 and 18,966.84 is: 28,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.28 : 107,332.92 = 18,966.84 : x
  2. Step 2: Convert to fraction form
    71,555.28/107,332.92 = 18,966.84/x
  3. Step 3: Cross multiply
    71,555.28x = 107,332.92 × 18,966.84
  4. Step 4: Simplify right side
    71,555.28x = 2,035,766,320.37
  5. Step 5: Solve for x
    x = 2,035,766,320.37/71,555.28
  6. Step 6: Final answer
    x = 28,450.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.