Home / 37,712.38-52,043.61-20,718.15

Finding the Fourth Proportional to 37,712.38, 52,043.61 and 20,718.15

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Solution

The fourth proportional to 37,712.38, 52,043.61 and 20,718.15 is: 28,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,712.38 : 52,043.61 = 20,718.15 : x
  2. Step 2: Convert to fraction form
    37,712.38/52,043.61 = 20,718.15/x
  3. Step 3: Cross multiply
    37,712.38x = 52,043.61 × 20,718.15
  4. Step 4: Simplify right side
    37,712.38x = 1,078,247,318.52
  5. Step 5: Solve for x
    x = 1,078,247,318.52/37,712.38
  6. Step 6: Final answer
    x = 28,591.34

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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.