Home / 38,695.68-58,043.28-18,681.82

Finding the Fourth Proportional to 38,695.68, 58,043.28 and 18,681.82

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Solution

The fourth proportional to 38,695.68, 58,043.28 and 18,681.82 is: 28,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.68 : 58,043.28 = 18,681.82 : x
  2. Step 2: Convert to fraction form
    38,695.68/58,043.28 = 18,681.82/x
  3. Step 3: Cross multiply
    38,695.68x = 58,043.28 × 18,681.82
  4. Step 4: Simplify right side
    38,695.68x = 1,084,354,109.17
  5. Step 5: Solve for x
    x = 1,084,354,109.17/38,695.68
  6. Step 6: Final answer
    x = 28,022.61

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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.