Home / 47,877.43-71,821.05-18,320.13

Finding the Fourth Proportional to 47,877.43, 71,821.05 and 18,320.13

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Solution

The fourth proportional to 47,877.43, 71,821.05 and 18,320.13 is: 27,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.43 : 71,821.05 = 18,320.13 : x
  2. Step 2: Convert to fraction form
    47,877.43/71,821.05 = 18,320.13/x
  3. Step 3: Cross multiply
    47,877.43x = 71,821.05 × 18,320.13
  4. Step 4: Simplify right side
    47,877.43x = 1,315,770,972.74
  5. Step 5: Solve for x
    x = 1,315,770,972.74/47,877.43
  6. Step 6: Final answer
    x = 27,482.07

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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.