Home / 55,549.64-83,307.18-18,605

Finding the Fourth Proportional to 55,549.64, 83,307.18 and 18,605

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Solution

The fourth proportional to 55,549.64, 83,307.18 and 18,605 is: 27,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.64 : 83,307.18 = 18,605 : x
  2. Step 2: Convert to fraction form
    55,549.64/83,307.18 = 18,605/x
  3. Step 3: Cross multiply
    55,549.64x = 83,307.18 × 18,605
  4. Step 4: Simplify right side
    55,549.64x = 1,549,930,083.90
  5. Step 5: Solve for x
    x = 1,549,930,083.90/55,549.64
  6. Step 6: Final answer
    x = 27,901.71

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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.