Home / 39,748.78-59,623.17-20,043.91

Finding the Fourth Proportional to 39,748.78, 59,623.17 and 20,043.91

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Solution

The fourth proportional to 39,748.78, 59,623.17 and 20,043.91 is: 30,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.78 : 59,623.17 = 20,043.91 : x
  2. Step 2: Convert to fraction form
    39,748.78/59,623.17 = 20,043.91/x
  3. Step 3: Cross multiply
    39,748.78x = 59,623.17 × 20,043.91
  4. Step 4: Simplify right side
    39,748.78x = 1,195,081,304.34
  5. Step 5: Solve for x
    x = 1,195,081,304.34/39,748.78
  6. Step 6: Final answer
    x = 30,065.86

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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.