Home / 39,877.74-59,767.35-20,161.92

Finding the Fourth Proportional to 39,877.74, 59,767.35 and 20,161.92

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Solution

The fourth proportional to 39,877.74, 59,767.35 and 20,161.92 is: 30,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.74 : 59,767.35 = 20,161.92 : x
  2. Step 2: Convert to fraction form
    39,877.74/59,767.35 = 20,161.92/x
  3. Step 3: Cross multiply
    39,877.74x = 59,767.35 × 20,161.92
  4. Step 4: Simplify right side
    39,877.74x = 1,205,024,529.31
  5. Step 5: Solve for x
    x = 1,205,024,529.31/39,877.74
  6. Step 6: Final answer
    x = 30,217.97

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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.