Home / 47,000.15-70,486.25-13,711.28

Finding the Fourth Proportional to 47,000.15, 70,486.25 and 13,711.28

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Solution

The fourth proportional to 47,000.15, 70,486.25 and 13,711.28 is: 20,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.15 : 70,486.25 = 13,711.28 : x
  2. Step 2: Convert to fraction form
    47,000.15/70,486.25 = 13,711.28/x
  3. Step 3: Cross multiply
    47,000.15x = 70,486.25 × 13,711.28
  4. Step 4: Simplify right side
    47,000.15x = 966,456,366.04
  5. Step 5: Solve for x
    x = 966,456,366.04/47,000.15
  6. Step 6: Final answer
    x = 20,562.84

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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.