Home / 37,140.80-51,254.15-20,144.97

Finding the Fourth Proportional to 37,140.80, 51,254.15 and 20,144.97

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Solution

The fourth proportional to 37,140.80, 51,254.15 and 20,144.97 is: 27,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.80 : 51,254.15 = 20,144.97 : x
  2. Step 2: Convert to fraction form
    37,140.80/51,254.15 = 20,144.97/x
  3. Step 3: Cross multiply
    37,140.80x = 51,254.15 × 20,144.97
  4. Step 4: Simplify right side
    37,140.80x = 1,032,513,314.13
  5. Step 5: Solve for x
    x = 1,032,513,314.13/37,140.80
  6. Step 6: Final answer
    x = 27,799.98

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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.