Home / 47,587.87-71,354.13-18,007.99

Finding the Fourth Proportional to 47,587.87, 71,354.13 and 18,007.99

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Solution

The fourth proportional to 47,587.87, 71,354.13 and 18,007.99 is: 27,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.87 : 71,354.13 = 18,007.99 : x
  2. Step 2: Convert to fraction form
    47,587.87/71,354.13 = 18,007.99/x
  3. Step 3: Cross multiply
    47,587.87x = 71,354.13 × 18,007.99
  4. Step 4: Simplify right side
    47,587.87x = 1,284,944,459.50
  5. Step 5: Solve for x
    x = 1,284,944,459.50/47,587.87
  6. Step 6: Final answer
    x = 27,001.51

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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.