Home / 40,872.32-61,332.14-17,178

Finding the Fourth Proportional to 40,872.32, 61,332.14 and 17,178

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Solution

The fourth proportional to 40,872.32, 61,332.14 and 17,178 is: 25,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.32 : 61,332.14 = 17,178 : x
  2. Step 2: Convert to fraction form
    40,872.32/61,332.14 = 17,178/x
  3. Step 3: Cross multiply
    40,872.32x = 61,332.14 × 17,178
  4. Step 4: Simplify right side
    40,872.32x = 1,053,563,500.92
  5. Step 5: Solve for x
    x = 1,053,563,500.92/40,872.32
  6. Step 6: Final answer
    x = 25,776.94

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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.