Home / 47,377.73-71,061.08-12,320.12

Finding the Fourth Proportional to 47,377.73, 71,061.08 and 12,320.12

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Solution

The fourth proportional to 47,377.73, 71,061.08 and 12,320.12 is: 18,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.73 : 71,061.08 = 12,320.12 : x
  2. Step 2: Convert to fraction form
    47,377.73/71,061.08 = 12,320.12/x
  3. Step 3: Cross multiply
    47,377.73x = 71,061.08 × 12,320.12
  4. Step 4: Simplify right side
    47,377.73x = 875,480,616.02
  5. Step 5: Solve for x
    x = 875,480,616.02/47,377.73
  6. Step 6: Final answer
    x = 18,478.74

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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.