Home / 38,402.24-57,551.52-19,947.20

Finding the Fourth Proportional to 38,402.24, 57,551.52 and 19,947.20

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Solution

The fourth proportional to 38,402.24, 57,551.52 and 19,947.20 is: 29,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.24 : 57,551.52 = 19,947.20 : x
  2. Step 2: Convert to fraction form
    38,402.24/57,551.52 = 19,947.20/x
  3. Step 3: Cross multiply
    38,402.24x = 57,551.52 × 19,947.20
  4. Step 4: Simplify right side
    38,402.24x = 1,147,991,679.74
  5. Step 5: Solve for x
    x = 1,147,991,679.74/38,402.24
  6. Step 6: Final answer
    x = 29,893.87

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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.