Home / 53,781.32-80,671.87-25,615.95

Finding the Fourth Proportional to 53,781.32, 80,671.87 and 25,615.95

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Solution

The fourth proportional to 53,781.32, 80,671.87 and 25,615.95 is: 38,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.32 : 80,671.87 = 25,615.95 : x
  2. Step 2: Convert to fraction form
    53,781.32/80,671.87 = 25,615.95/x
  3. Step 3: Cross multiply
    53,781.32x = 80,671.87 × 25,615.95
  4. Step 4: Simplify right side
    53,781.32x = 2,066,486,173.74
  5. Step 5: Solve for x
    x = 2,066,486,173.74/53,781.32
  6. Step 6: Final answer
    x = 38,423.87

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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.