Home / 40,531.76-55,934.76-25,425.05

Finding the Fourth Proportional to 40,531.76, 55,934.76 and 25,425.05

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Solution

The fourth proportional to 40,531.76, 55,934.76 and 25,425.05 is: 35,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,531.76 : 55,934.76 = 25,425.05 : x
  2. Step 2: Convert to fraction form
    40,531.76/55,934.76 = 25,425.05/x
  3. Step 3: Cross multiply
    40,531.76x = 55,934.76 × 25,425.05
  4. Step 4: Simplify right side
    40,531.76x = 1,422,144,069.74
  5. Step 5: Solve for x
    x = 1,422,144,069.74/40,531.76
  6. Step 6: Final answer
    x = 35,087.15

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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.