Home / 38,228.56-57,294.24-20,713.12

Finding the Fourth Proportional to 38,228.56, 57,294.24 and 20,713.12

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Solution

The fourth proportional to 38,228.56, 57,294.24 and 20,713.12 is: 31,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.56 : 57,294.24 = 20,713.12 : x
  2. Step 2: Convert to fraction form
    38,228.56/57,294.24 = 20,713.12/x
  3. Step 3: Cross multiply
    38,228.56x = 57,294.24 × 20,713.12
  4. Step 4: Simplify right side
    38,228.56x = 1,186,742,468.43
  5. Step 5: Solve for x
    x = 1,186,742,468.43/38,228.56
  6. Step 6: Final answer
    x = 31,043.35

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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.