Home / 39,306.78-58,959.54-14,346.72

Finding the Fourth Proportional to 39,306.78, 58,959.54 and 14,346.72

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Solution

The fourth proportional to 39,306.78, 58,959.54 and 14,346.72 is: 21,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.78 : 58,959.54 = 14,346.72 : x
  2. Step 2: Convert to fraction form
    39,306.78/58,959.54 = 14,346.72/x
  3. Step 3: Cross multiply
    39,306.78x = 58,959.54 × 14,346.72
  4. Step 4: Simplify right side
    39,306.78x = 845,876,011.71
  5. Step 5: Solve for x
    x = 845,876,011.71/39,306.78
  6. Step 6: Final answer
    x = 21,519.85

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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.