Home / 40,400.72-60,577-16,689.84

Finding the Fourth Proportional to 40,400.72, 60,577 and 16,689.84

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Solution

The fourth proportional to 40,400.72, 60,577 and 16,689.84 is: 25,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.72 : 60,577 = 16,689.84 : x
  2. Step 2: Convert to fraction form
    40,400.72/60,577 = 16,689.84/x
  3. Step 3: Cross multiply
    40,400.72x = 60,577 × 16,689.84
  4. Step 4: Simplify right side
    40,400.72x = 1,011,020,437.68
  5. Step 5: Solve for x
    x = 1,011,020,437.68/40,400.72
  6. Step 6: Final answer
    x = 25,024.81

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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.