Home / 49,758.12-74,553.98-21,636

Finding the Fourth Proportional to 49,758.12, 74,553.98 and 21,636

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Solution

The fourth proportional to 49,758.12, 74,553.98 and 21,636 is: 32,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.12 : 74,553.98 = 21,636 : x
  2. Step 2: Convert to fraction form
    49,758.12/74,553.98 = 21,636/x
  3. Step 3: Cross multiply
    49,758.12x = 74,553.98 × 21,636
  4. Step 4: Simplify right side
    49,758.12x = 1,613,049,803.10
  5. Step 5: Solve for x
    x = 1,613,049,803.10/49,758.12
  6. Step 6: Final answer
    x = 32,417.82

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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.