Home / 55,689.20-83,531.57-18,252.08

Finding the Fourth Proportional to 55,689.20, 83,531.57 and 18,252.08

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Solution

The fourth proportional to 55,689.20, 83,531.57 and 18,252.08 is: 27,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.20 : 83,531.57 = 18,252.08 : x
  2. Step 2: Convert to fraction form
    55,689.20/83,531.57 = 18,252.08/x
  3. Step 3: Cross multiply
    55,689.20x = 83,531.57 × 18,252.08
  4. Step 4: Simplify right side
    55,689.20x = 1,524,624,389.25
  5. Step 5: Solve for x
    x = 1,524,624,389.25/55,689.20
  6. Step 6: Final answer
    x = 27,377.38

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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.