Home / 47,680.14-71,510.41-19,572.78

Finding the Fourth Proportional to 47,680.14, 71,510.41 and 19,572.78

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Solution

The fourth proportional to 47,680.14, 71,510.41 and 19,572.78 is: 29,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,680.14 : 71,510.41 = 19,572.78 : x
  2. Step 2: Convert to fraction form
    47,680.14/71,510.41 = 19,572.78/x
  3. Step 3: Cross multiply
    47,680.14x = 71,510.41 × 19,572.78
  4. Step 4: Simplify right side
    47,680.14x = 1,399,657,522.64
  5. Step 5: Solve for x
    x = 1,399,657,522.64/47,680.14
  6. Step 6: Final answer
    x = 29,355.15

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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.