Home / 47,425.30-71,141.55-14,142.76

Finding the Fourth Proportional to 47,425.30, 71,141.55 and 14,142.76

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Solution

The fourth proportional to 47,425.30, 71,141.55 and 14,142.76 is: 21,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.30 : 71,141.55 = 14,142.76 : x
  2. Step 2: Convert to fraction form
    47,425.30/71,141.55 = 14,142.76/x
  3. Step 3: Cross multiply
    47,425.30x = 71,141.55 × 14,142.76
  4. Step 4: Simplify right side
    47,425.30x = 1,006,137,867.68
  5. Step 5: Solve for x
    x = 1,006,137,867.68/47,425.30
  6. Step 6: Final answer
    x = 21,215.21

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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.