Home / 40,433.40-60,585.30-25,615.80

Finding the Fourth Proportional to 40,433.40, 60,585.30 and 25,615.80

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Solution

The fourth proportional to 40,433.40, 60,585.30 and 25,615.80 is: 38,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,433.40 : 60,585.30 = 25,615.80 : x
  2. Step 2: Convert to fraction form
    40,433.40/60,585.30 = 25,615.80/x
  3. Step 3: Cross multiply
    40,433.40x = 60,585.30 × 25,615.80
  4. Step 4: Simplify right side
    40,433.40x = 1,551,940,927.74
  5. Step 5: Solve for x
    x = 1,551,940,927.74/40,433.40
  6. Step 6: Final answer
    x = 38,382.65

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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.