Home / 36,275.11-54,412.97-9,981.29

Finding the Fourth Proportional to 36,275.11, 54,412.97 and 9,981.29

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Solution

The fourth proportional to 36,275.11, 54,412.97 and 9,981.29 is: 14,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,275.11 : 54,412.97 = 9,981.29 : x
  2. Step 2: Convert to fraction form
    36,275.11/54,412.97 = 9,981.29/x
  3. Step 3: Cross multiply
    36,275.11x = 54,412.97 × 9,981.29
  4. Step 4: Simplify right side
    36,275.11x = 543,111,719.46
  5. Step 5: Solve for x
    x = 543,111,719.46/36,275.11
  6. Step 6: Final answer
    x = 14,972.02

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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.