Home / 39,713.28-54,808.70-22,719.10

Finding the Fourth Proportional to 39,713.28, 54,808.70 and 22,719.10

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Solution

The fourth proportional to 39,713.28, 54,808.70 and 22,719.10 is: 31,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.28 : 54,808.70 = 22,719.10 : x
  2. Step 2: Convert to fraction form
    39,713.28/54,808.70 = 22,719.10/x
  3. Step 3: Cross multiply
    39,713.28x = 54,808.70 × 22,719.10
  4. Step 4: Simplify right side
    39,713.28x = 1,245,204,336.17
  5. Step 5: Solve for x
    x = 1,245,204,336.17/39,713.28
  6. Step 6: Final answer
    x = 31,354.86

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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.