Home / 38,431.80-57,543.48-19,924.92

Finding the Fourth Proportional to 38,431.80, 57,543.48 and 19,924.92

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Solution

The fourth proportional to 38,431.80, 57,543.48 and 19,924.92 is: 29,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.80 : 57,543.48 = 19,924.92 : x
  2. Step 2: Convert to fraction form
    38,431.80/57,543.48 = 19,924.92/x
  3. Step 3: Cross multiply
    38,431.80x = 57,543.48 × 19,924.92
  4. Step 4: Simplify right side
    38,431.80x = 1,146,549,235.52
  5. Step 5: Solve for x
    x = 1,146,549,235.52/38,431.80
  6. Step 6: Final answer
    x = 29,833.35

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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.