Home / 38,473.12-57,739.92-19,752.40

Finding the Fourth Proportional to 38,473.12, 57,739.92 and 19,752.40

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Solution

The fourth proportional to 38,473.12, 57,739.92 and 19,752.40 is: 29,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,473.12 : 57,739.92 = 19,752.40 : x
  2. Step 2: Convert to fraction form
    38,473.12/57,739.92 = 19,752.40/x
  3. Step 3: Cross multiply
    38,473.12x = 57,739.92 × 19,752.40
  4. Step 4: Simplify right side
    38,473.12x = 1,140,501,995.81
  5. Step 5: Solve for x
    x = 1,140,501,995.81/38,473.12
  6. Step 6: Final answer
    x = 29,644.13

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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.