Home / 29,989.61-45,013.57-14,418.17

Finding the Fourth Proportional to 29,989.61, 45,013.57 and 14,418.17

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Solution

The fourth proportional to 29,989.61, 45,013.57 and 14,418.17 is: 21,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.61 : 45,013.57 = 14,418.17 : x
  2. Step 2: Convert to fraction form
    29,989.61/45,013.57 = 14,418.17/x
  3. Step 3: Cross multiply
    29,989.61x = 45,013.57 × 14,418.17
  4. Step 4: Simplify right side
    29,989.61x = 649,013,304.57
  5. Step 5: Solve for x
    x = 649,013,304.57/29,989.61
  6. Step 6: Final answer
    x = 21,641.27

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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.