Home / 50,872.58-70,238.93-31,781.42

Finding the Fourth Proportional to 50,872.58, 70,238.93 and 31,781.42

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Solution

The fourth proportional to 50,872.58, 70,238.93 and 31,781.42 is: 43,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.58 : 70,238.93 = 31,781.42 : x
  2. Step 2: Convert to fraction form
    50,872.58/70,238.93 = 31,781.42/x
  3. Step 3: Cross multiply
    50,872.58x = 70,238.93 × 31,781.42
  4. Step 4: Simplify right side
    50,872.58x = 2,232,292,934.68
  5. Step 5: Solve for x
    x = 2,232,292,934.68/50,872.58
  6. Step 6: Final answer
    x = 43,880.08

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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.