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Finding the Fourth Proportional to 71,350.00, 107,016.46 and 18,763.58

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Solution

The fourth proportional to 71,350.00, 107,016.46 and 18,763.58 is: 28,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,350.00 : 107,016.46 = 18,763.58 : x
  2. Step 2: Convert to fraction form
    71,350.00/107,016.46 = 18,763.58/x
  3. Step 3: Cross multiply
    71,350.00x = 107,016.46 × 18,763.58
  4. Step 4: Simplify right side
    71,350.00x = 2,008,012,129.16
  5. Step 5: Solve for x
    x = 2,008,012,129.16/71,350.00
  6. Step 6: Final answer
    x = 28,143.13

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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.