Home / 47,877.60-71,816.40-16,708.80

Finding the Fourth Proportional to 47,877.60, 71,816.40 and 16,708.80

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Solution

The fourth proportional to 47,877.60, 71,816.40 and 16,708.80 is: 25,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.60 : 71,816.40 = 16,708.80 : x
  2. Step 2: Convert to fraction form
    47,877.60/71,816.40 = 16,708.80/x
  3. Step 3: Cross multiply
    47,877.60x = 71,816.40 × 16,708.80
  4. Step 4: Simplify right side
    47,877.60x = 1,199,965,864.32
  5. Step 5: Solve for x
    x = 1,199,965,864.32/47,877.60
  6. Step 6: Final answer
    x = 25,063.20

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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.