Home / 29,220.48-43,817.76-18,126.72

Finding the Fourth Proportional to 29,220.48, 43,817.76 and 18,126.72

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Solution

The fourth proportional to 29,220.48, 43,817.76 and 18,126.72 is: 27,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.48 : 43,817.76 = 18,126.72 : x
  2. Step 2: Convert to fraction form
    29,220.48/43,817.76 = 18,126.72/x
  3. Step 3: Cross multiply
    29,220.48x = 43,817.76 × 18,126.72
  4. Step 4: Simplify right side
    29,220.48x = 794,272,266.55
  5. Step 5: Solve for x
    x = 794,272,266.55/29,220.48
  6. Step 6: Final answer
    x = 27,182.04

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1.5x scale

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.