Home / 45,264.42-67,870.17-13,665.04

Finding the Fourth Proportional to 45,264.42, 67,870.17 and 13,665.04

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Solution

The fourth proportional to 45,264.42, 67,870.17 and 13,665.04 is: 20,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.42 : 67,870.17 = 13,665.04 : x
  2. Step 2: Convert to fraction form
    45,264.42/67,870.17 = 13,665.04/x
  3. Step 3: Cross multiply
    45,264.42x = 67,870.17 × 13,665.04
  4. Step 4: Simplify right side
    45,264.42x = 927,448,418.18
  5. Step 5: Solve for x
    x = 927,448,418.18/45,264.42
  6. Step 6: Final answer
    x = 20,489.57

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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.