Home / 48,007.10-71,949.90-18,385.40

Finding the Fourth Proportional to 48,007.10, 71,949.90 and 18,385.40

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Solution

The fourth proportional to 48,007.10, 71,949.90 and 18,385.40 is: 27,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.10 : 71,949.90 = 18,385.40 : x
  2. Step 2: Convert to fraction form
    48,007.10/71,949.90 = 18,385.40/x
  3. Step 3: Cross multiply
    48,007.10x = 71,949.90 × 18,385.40
  4. Step 4: Simplify right side
    48,007.10x = 1,322,827,691.46
  5. Step 5: Solve for x
    x = 1,322,827,691.46/48,007.10
  6. Step 6: Final answer
    x = 27,554.83

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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.