Home / 31,340.26-43,244.22-20,726.02

Finding the Fourth Proportional to 31,340.26, 43,244.22 and 20,726.02

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Solution

The fourth proportional to 31,340.26, 43,244.22 and 20,726.02 is: 28,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.26 : 43,244.22 = 20,726.02 : x
  2. Step 2: Convert to fraction form
    31,340.26/43,244.22 = 20,726.02/x
  3. Step 3: Cross multiply
    31,340.26x = 43,244.22 × 20,726.02
  4. Step 4: Simplify right side
    31,340.26x = 896,280,568.60
  5. Step 5: Solve for x
    x = 896,280,568.60/31,340.26
  6. Step 6: Final answer
    x = 28,598.38

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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.