Home / 34,266.80-51,432.60-21,144.80

Finding the Fourth Proportional to 34,266.80, 51,432.60 and 21,144.80

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Solution

The fourth proportional to 34,266.80, 51,432.60 and 21,144.80 is: 31,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.80 : 51,432.60 = 21,144.80 : x
  2. Step 2: Convert to fraction form
    34,266.80/51,432.60 = 21,144.80/x
  3. Step 3: Cross multiply
    34,266.80x = 51,432.60 × 21,144.80
  4. Step 4: Simplify right side
    34,266.80x = 1,087,532,040.48
  5. Step 5: Solve for x
    x = 1,087,532,040.48/34,266.80
  6. Step 6: Final answer
    x = 31,737.19

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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.