Home / 37,275.65-55,791.28-20,382.78

Finding the Fourth Proportional to 37,275.65, 55,791.28 and 20,382.78

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Solution

The fourth proportional to 37,275.65, 55,791.28 and 20,382.78 is: 30,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.65 : 55,791.28 = 20,382.78 : x
  2. Step 2: Convert to fraction form
    37,275.65/55,791.28 = 20,382.78/x
  3. Step 3: Cross multiply
    37,275.65x = 55,791.28 × 20,382.78
  4. Step 4: Simplify right side
    37,275.65x = 1,137,181,386.16
  5. Step 5: Solve for x
    x = 1,137,181,386.16/37,275.65
  6. Step 6: Final answer
    x = 30,507.35

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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.