Home / 40,960.88-61,390.20-17,560.16

Finding the Fourth Proportional to 40,960.88, 61,390.20 and 17,560.16

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Solution

The fourth proportional to 40,960.88, 61,390.20 and 17,560.16 is: 26,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.88 : 61,390.20 = 17,560.16 : x
  2. Step 2: Convert to fraction form
    40,960.88/61,390.20 = 17,560.16/x
  3. Step 3: Cross multiply
    40,960.88x = 61,390.20 × 17,560.16
  4. Step 4: Simplify right side
    40,960.88x = 1,078,021,734.43
  5. Step 5: Solve for x
    x = 1,078,021,734.43/40,960.88
  6. Step 6: Final answer
    x = 26,318.32

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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.