Home / 36,647.47-54,980.16-11,687.52

Finding the Fourth Proportional to 36,647.47, 54,980.16 and 11,687.52

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Solution

The fourth proportional to 36,647.47, 54,980.16 and 11,687.52 is: 17,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647.47 : 54,980.16 = 11,687.52 : x
  2. Step 2: Convert to fraction form
    36,647.47/54,980.16 = 11,687.52/x
  3. Step 3: Cross multiply
    36,647.47x = 54,980.16 × 11,687.52
  4. Step 4: Simplify right side
    36,647.47x = 642,581,719.60
  5. Step 5: Solve for x
    x = 642,581,719.60/36,647.47
  6. Step 6: Final answer
    x = 17,534.14

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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.