Home / 47,999.39-72,000.12-14,718.71

Finding the Fourth Proportional to 47,999.39, 72,000.12 and 14,718.71

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Solution

The fourth proportional to 47,999.39, 72,000.12 and 14,718.71 is: 22,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.39 : 72,000.12 = 14,718.71 : x
  2. Step 2: Convert to fraction form
    47,999.39/72,000.12 = 14,718.71/x
  3. Step 3: Cross multiply
    47,999.39x = 72,000.12 × 14,718.71
  4. Step 4: Simplify right side
    47,999.39x = 1,059,749,121.44
  5. Step 5: Solve for x
    x = 1,059,749,121.44/47,999.39
  6. Step 6: Final answer
    x = 22,078.39

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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.