Home / 40,560.91-60,840.45-18,358.21

Finding the Fourth Proportional to 40,560.91, 60,840.45 and 18,358.21

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Solution

The fourth proportional to 40,560.91, 60,840.45 and 18,358.21 is: 27,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,560.91 : 60,840.45 = 18,358.21 : x
  2. Step 2: Convert to fraction form
    40,560.91/60,840.45 = 18,358.21/x
  3. Step 3: Cross multiply
    40,560.91x = 60,840.45 × 18,358.21
  4. Step 4: Simplify right side
    40,560.91x = 1,116,921,757.59
  5. Step 5: Solve for x
    x = 1,116,921,757.59/40,560.91
  6. Step 6: Final answer
    x = 27,536.90

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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.