Home / 63,750.05-95,614.64-18,760.88

Finding the Fourth Proportional to 63,750.05, 95,614.64 and 18,760.88

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Solution

The fourth proportional to 63,750.05, 95,614.64 and 18,760.88 is: 28,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,750.05 : 95,614.64 = 18,760.88 : x
  2. Step 2: Convert to fraction form
    63,750.05/95,614.64 = 18,760.88/x
  3. Step 3: Cross multiply
    63,750.05x = 95,614.64 × 18,760.88
  4. Step 4: Simplify right side
    63,750.05x = 1,793,815,108.40
  5. Step 5: Solve for x
    x = 1,793,815,108.40/63,750.05
  6. Step 6: Final answer
    x = 28,138.25

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1.5x scale

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.