Home / 47,961.77-71,937.18-12,904.16

Finding the Fourth Proportional to 47,961.77, 71,937.18 and 12,904.16

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Solution

The fourth proportional to 47,961.77, 71,937.18 and 12,904.16 is: 19,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,961.77 : 71,937.18 = 12,904.16 : x
  2. Step 2: Convert to fraction form
    47,961.77/71,937.18 = 12,904.16/x
  3. Step 3: Cross multiply
    47,961.77x = 71,937.18 × 12,904.16
  4. Step 4: Simplify right side
    47,961.77x = 928,288,520.98
  5. Step 5: Solve for x
    x = 928,288,520.98/47,961.77
  6. Step 6: Final answer
    x = 19,354.76

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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.