Home / 47,616.78-71,439.98-19,539.12

Finding the Fourth Proportional to 47,616.78, 71,439.98 and 19,539.12

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Solution

The fourth proportional to 47,616.78, 71,439.98 and 19,539.12 is: 29,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.78 : 71,439.98 = 19,539.12 : x
  2. Step 2: Convert to fraction form
    47,616.78/71,439.98 = 19,539.12/x
  3. Step 3: Cross multiply
    47,616.78x = 71,439.98 × 19,539.12
  4. Step 4: Simplify right side
    47,616.78x = 1,395,874,244.32
  5. Step 5: Solve for x
    x = 1,395,874,244.32/47,616.78
  6. Step 6: Final answer
    x = 29,314.76

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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.