Home / 55,772.56-76,961.40-31,895.36

Finding the Fourth Proportional to 55,772.56, 76,961.40 and 31,895.36

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Solution

The fourth proportional to 55,772.56, 76,961.40 and 31,895.36 is: 44,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.56 : 76,961.40 = 31,895.36 : x
  2. Step 2: Convert to fraction form
    55,772.56/76,961.40 = 31,895.36/x
  3. Step 3: Cross multiply
    55,772.56x = 76,961.40 × 31,895.36
  4. Step 4: Simplify right side
    55,772.56x = 2,454,711,559.10
  5. Step 5: Solve for x
    x = 2,454,711,559.10/55,772.56
  6. Step 6: Final answer
    x = 44,012.89

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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.