Home / 47,788.80-71,683.20-36,124.80

Finding the Fourth Proportional to 47,788.80, 71,683.20 and 36,124.80

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Solution

The fourth proportional to 47,788.80, 71,683.20 and 36,124.80 is: 54,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,788.80 : 71,683.20 = 36,124.80 : x
  2. Step 2: Convert to fraction form
    47,788.80/71,683.20 = 36,124.80/x
  3. Step 3: Cross multiply
    47,788.80x = 71,683.20 × 36,124.80
  4. Step 4: Simplify right side
    47,788.80x = 2,589,541,263.36
  5. Step 5: Solve for x
    x = 2,589,541,263.36/47,788.80
  6. Step 6: Final answer
    x = 54,187.20

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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.