Home / 37,140.88-55,660.76-20,475.92

Finding the Fourth Proportional to 37,140.88, 55,660.76 and 20,475.92

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Solution

The fourth proportional to 37,140.88, 55,660.76 and 20,475.92 is: 30,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.88 : 55,660.76 = 20,475.92 : x
  2. Step 2: Convert to fraction form
    37,140.88/55,660.76 = 20,475.92/x
  3. Step 3: Cross multiply
    37,140.88x = 55,660.76 × 20,475.92
  4. Step 4: Simplify right side
    37,140.88x = 1,139,705,268.90
  5. Step 5: Solve for x
    x = 1,139,705,268.90/37,140.88
  6. Step 6: Final answer
    x = 30,686.01

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1.5x scale

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.