Home / 47,275.11-70,910.24-12,213.86

Finding the Fourth Proportional to 47,275.11, 70,910.24 and 12,213.86

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Solution

The fourth proportional to 47,275.11, 70,910.24 and 12,213.86 is: 18,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,275.11 : 70,910.24 = 12,213.86 : x
  2. Step 2: Convert to fraction form
    47,275.11/70,910.24 = 12,213.86/x
  3. Step 3: Cross multiply
    47,275.11x = 70,910.24 × 12,213.86
  4. Step 4: Simplify right side
    47,275.11x = 866,087,328.31
  5. Step 5: Solve for x
    x = 866,087,328.31/47,275.11
  6. Step 6: Final answer
    x = 18,320.15

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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.