Home / 38,245.28-57,319.23-21,614.58

Finding the Fourth Proportional to 38,245.28, 57,319.23 and 21,614.58

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Solution

The fourth proportional to 38,245.28, 57,319.23 and 21,614.58 is: 32,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.28 : 57,319.23 = 21,614.58 : x
  2. Step 2: Convert to fraction form
    38,245.28/57,319.23 = 21,614.58/x
  3. Step 3: Cross multiply
    38,245.28x = 57,319.23 × 21,614.58
  4. Step 4: Simplify right side
    38,245.28x = 1,238,931,082.37
  5. Step 5: Solve for x
    x = 1,238,931,082.37/38,245.28
  6. Step 6: Final answer
    x = 32,394.36

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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.