Home / 37,136.52-51,251.12-21,220.63

Finding the Fourth Proportional to 37,136.52, 51,251.12 and 21,220.63

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Solution

The fourth proportional to 37,136.52, 51,251.12 and 21,220.63 is: 29,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,136.52 : 51,251.12 = 21,220.63 : x
  2. Step 2: Convert to fraction form
    37,136.52/51,251.12 = 21,220.63/x
  3. Step 3: Cross multiply
    37,136.52x = 51,251.12 × 21,220.63
  4. Step 4: Simplify right side
    37,136.52x = 1,087,580,899.95
  5. Step 5: Solve for x
    x = 1,087,580,899.95/37,136.52
  6. Step 6: Final answer
    x = 29,286.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.