Home / 41,464.16-57,275.28-30,731.04

Finding the Fourth Proportional to 41,464.16, 57,275.28 and 30,731.04

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Solution

The fourth proportional to 41,464.16, 57,275.28 and 30,731.04 is: 42,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,464.16 : 57,275.28 = 30,731.04 : x
  2. Step 2: Convert to fraction form
    41,464.16/57,275.28 = 30,731.04/x
  3. Step 3: Cross multiply
    41,464.16x = 57,275.28 × 30,731.04
  4. Step 4: Simplify right side
    41,464.16x = 1,760,128,920.69
  5. Step 5: Solve for x
    x = 1,760,128,920.69/41,464.16
  6. Step 6: Final answer
    x = 42,449.40

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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.