Home / 55,046.40-75,961.20-29,895.84

Finding the Fourth Proportional to 55,046.40, 75,961.20 and 29,895.84

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Solution

The fourth proportional to 55,046.40, 75,961.20 and 29,895.84 is: 41,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,046.40 : 75,961.20 = 29,895.84 : x
  2. Step 2: Convert to fraction form
    55,046.40/75,961.20 = 29,895.84/x
  3. Step 3: Cross multiply
    55,046.40x = 75,961.20 × 29,895.84
  4. Step 4: Simplify right side
    55,046.40x = 2,270,923,881.41
  5. Step 5: Solve for x
    x = 2,270,923,881.41/55,046.40
  6. Step 6: Final answer
    x = 41,254.72

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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.