Home / 39,146.52-58,719.78-11,444.52

Finding the Fourth Proportional to 39,146.52, 58,719.78 and 11,444.52

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Solution

The fourth proportional to 39,146.52, 58,719.78 and 11,444.52 is: 17,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.52 : 58,719.78 = 11,444.52 : x
  2. Step 2: Convert to fraction form
    39,146.52/58,719.78 = 11,444.52/x
  3. Step 3: Cross multiply
    39,146.52x = 58,719.78 × 11,444.52
  4. Step 4: Simplify right side
    39,146.52x = 672,019,696.61
  5. Step 5: Solve for x
    x = 672,019,696.61/39,146.52
  6. Step 6: Final answer
    x = 17,166.78

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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.