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Finding the Fourth Proportional to 47,468.10, 71,202.15 and 26,472.90

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Solution

The fourth proportional to 47,468.10, 71,202.15 and 26,472.90 is: 39,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,468.10 : 71,202.15 = 26,472.90 : x
  2. Step 2: Convert to fraction form
    47,468.10/71,202.15 = 26,472.90/x
  3. Step 3: Cross multiply
    47,468.10x = 71,202.15 × 26,472.90
  4. Step 4: Simplify right side
    47,468.10x = 1,884,927,396.74
  5. Step 5: Solve for x
    x = 1,884,927,396.74/47,468.10
  6. Step 6: Final answer
    x = 39,709.35

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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.