Home / 39,582.07-59,358.22-12,921.83

Finding the Fourth Proportional to 39,582.07, 59,358.22 and 12,921.83

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Solution

The fourth proportional to 39,582.07, 59,358.22 and 12,921.83 is: 19,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.07 : 59,358.22 = 12,921.83 : x
  2. Step 2: Convert to fraction form
    39,582.07/59,358.22 = 12,921.83/x
  3. Step 3: Cross multiply
    39,582.07x = 59,358.22 × 12,921.83
  4. Step 4: Simplify right side
    39,582.07x = 767,016,721.44
  5. Step 5: Solve for x
    x = 767,016,721.44/39,582.07
  6. Step 6: Final answer
    x = 19,377.88

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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.