Home / 37,327.47-51,510.36-20,331.78

Finding the Fourth Proportional to 37,327.47, 51,510.36 and 20,331.78

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Solution

The fourth proportional to 37,327.47, 51,510.36 and 20,331.78 is: 28,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,327.47 : 51,510.36 = 20,331.78 : x
  2. Step 2: Convert to fraction form
    37,327.47/51,510.36 = 20,331.78/x
  3. Step 3: Cross multiply
    37,327.47x = 51,510.36 × 20,331.78
  4. Step 4: Simplify right side
    37,327.47x = 1,047,297,049.69
  5. Step 5: Solve for x
    x = 1,047,297,049.69/37,327.47
  6. Step 6: Final answer
    x = 28,057.01

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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.