Home / 47,102.10-70,631.55-20,793.30

Finding the Fourth Proportional to 47,102.10, 70,631.55 and 20,793.30

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Solution

The fourth proportional to 47,102.10, 70,631.55 and 20,793.30 is: 31,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.10 : 70,631.55 = 20,793.30 : x
  2. Step 2: Convert to fraction form
    47,102.10/70,631.55 = 20,793.30/x
  3. Step 3: Cross multiply
    47,102.10x = 70,631.55 × 20,793.30
  4. Step 4: Simplify right side
    47,102.10x = 1,468,663,008.62
  5. Step 5: Solve for x
    x = 1,468,663,008.62/47,102.10
  6. Step 6: Final answer
    x = 31,180.41

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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.