Home / 47,877.92-71,821.80-18,320.62

Finding the Fourth Proportional to 47,877.92, 71,821.80 and 18,320.62

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Solution

The fourth proportional to 47,877.92, 71,821.80 and 18,320.62 is: 27,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.92 : 71,821.80 = 18,320.62 : x
  2. Step 2: Convert to fraction form
    47,877.92/71,821.80 = 18,320.62/x
  3. Step 3: Cross multiply
    47,877.92x = 71,821.80 × 18,320.62
  4. Step 4: Simplify right side
    47,877.92x = 1,315,819,905.52
  5. Step 5: Solve for x
    x = 1,315,819,905.52/47,877.92
  6. Step 6: Final answer
    x = 27,482.81

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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.