Home / 40,882.95-61,363.58-21,175.65

Finding the Fourth Proportional to 40,882.95, 61,363.58 and 21,175.65

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Solution

The fourth proportional to 40,882.95, 61,363.58 and 21,175.65 is: 31,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.95 : 61,363.58 = 21,175.65 : x
  2. Step 2: Convert to fraction form
    40,882.95/61,363.58 = 21,175.65/x
  3. Step 3: Cross multiply
    40,882.95x = 61,363.58 × 21,175.65
  4. Step 4: Simplify right side
    40,882.95x = 1,299,413,586.95
  5. Step 5: Solve for x
    x = 1,299,413,586.95/40,882.95
  6. Step 6: Final answer
    x = 31,783.75

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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.