Home / 44,139.30-66,212.73-12,549.48

Finding the Fourth Proportional to 44,139.30, 66,212.73 and 12,549.48

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Solution

The fourth proportional to 44,139.30, 66,212.73 and 12,549.48 is: 18,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,139.30 : 66,212.73 = 12,549.48 : x
  2. Step 2: Convert to fraction form
    44,139.30/66,212.73 = 12,549.48/x
  3. Step 3: Cross multiply
    44,139.30x = 66,212.73 × 12,549.48
  4. Step 4: Simplify right side
    44,139.30x = 830,935,330.88
  5. Step 5: Solve for x
    x = 830,935,330.88/44,139.30
  6. Step 6: Final answer
    x = 18,825.29

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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.