Home / 37,140.55-51,253.80-20,144.72

Finding the Fourth Proportional to 37,140.55, 51,253.80 and 20,144.72

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Solution

The fourth proportional to 37,140.55, 51,253.80 and 20,144.72 is: 27,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.55 : 51,253.80 = 20,144.72 : x
  2. Step 2: Convert to fraction form
    37,140.55/51,253.80 = 20,144.72/x
  3. Step 3: Cross multiply
    37,140.55x = 51,253.80 × 20,144.72
  4. Step 4: Simplify right side
    37,140.55x = 1,032,493,578.07
  5. Step 5: Solve for x
    x = 1,032,493,578.07/37,140.55
  6. Step 6: Final answer
    x = 27,799.63

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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.