Home / 45,105.28-67,656.30-11,825.08

Finding the Fourth Proportional to 45,105.28, 67,656.30 and 11,825.08

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Solution

The fourth proportional to 45,105.28, 67,656.30 and 11,825.08 is: 17,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,105.28 : 67,656.30 = 11,825.08 : x
  2. Step 2: Convert to fraction form
    45,105.28/67,656.30 = 11,825.08/x
  3. Step 3: Cross multiply
    45,105.28x = 67,656.30 × 11,825.08
  4. Step 4: Simplify right side
    45,105.28x = 800,041,160.00
  5. Step 5: Solve for x
    x = 800,041,160.00/45,105.28
  6. Step 6: Final answer
    x = 17,737.20

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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.