Home / 38,742.32-58,031-29,278.08

Finding the Fourth Proportional to 38,742.32, 58,031 and 29,278.08

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Solution

The fourth proportional to 38,742.32, 58,031 and 29,278.08 is: 43,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.32 : 58,031 = 29,278.08 : x
  2. Step 2: Convert to fraction form
    38,742.32/58,031 = 29,278.08/x
  3. Step 3: Cross multiply
    38,742.32x = 58,031 × 29,278.08
  4. Step 4: Simplify right side
    38,742.32x = 1,699,036,260.48
  5. Step 5: Solve for x
    x = 1,699,036,260.48/38,742.32
  6. Step 6: Final answer
    x = 43,854.79

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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.