Home / 40,278.26-55,540.66-25,165.40

Finding the Fourth Proportional to 40,278.26, 55,540.66 and 25,165.40

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Solution

The fourth proportional to 40,278.26, 55,540.66 and 25,165.40 is: 34,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.26 : 55,540.66 = 25,165.40 : x
  2. Step 2: Convert to fraction form
    40,278.26/55,540.66 = 25,165.40/x
  3. Step 3: Cross multiply
    40,278.26x = 55,540.66 × 25,165.40
  4. Step 4: Simplify right side
    40,278.26x = 1,397,702,925.16
  5. Step 5: Solve for x
    x = 1,397,702,925.16/40,278.26
  6. Step 6: Final answer
    x = 34,701.17

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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.