Home / 50,881.42-70,135.26-40,108.74

Finding the Fourth Proportional to 50,881.42, 70,135.26 and 40,108.74

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Solution

The fourth proportional to 50,881.42, 70,135.26 and 40,108.74 is: 55,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.42 : 70,135.26 = 40,108.74 : x
  2. Step 2: Convert to fraction form
    50,881.42/70,135.26 = 40,108.74/x
  3. Step 3: Cross multiply
    50,881.42x = 70,135.26 × 40,108.74
  4. Step 4: Simplify right side
    50,881.42x = 2,813,036,908.17
  5. Step 5: Solve for x
    x = 2,813,036,908.17/50,881.42
  6. Step 6: Final answer
    x = 55,286.13

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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.