Home / 47,778.31-71,666.65-16,612.75

Finding the Fourth Proportional to 47,778.31, 71,666.65 and 16,612.75

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Solution

The fourth proportional to 47,778.31, 71,666.65 and 16,612.75 is: 24,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.31 : 71,666.65 = 16,612.75 : x
  2. Step 2: Convert to fraction form
    47,778.31/71,666.65 = 16,612.75/x
  3. Step 3: Cross multiply
    47,778.31x = 71,666.65 × 16,612.75
  4. Step 4: Simplify right side
    47,778.31x = 1,190,580,139.79
  5. Step 5: Solve for x
    x = 1,190,580,139.79/47,778.31
  6. Step 6: Final answer
    x = 24,918.84

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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.