Home / 54,895.95-75,747.80-31,930.85

Finding the Fourth Proportional to 54,895.95, 75,747.80 and 31,930.85

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Solution

The fourth proportional to 54,895.95, 75,747.80 and 31,930.85 is: 44,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.95 : 75,747.80 = 31,930.85 : x
  2. Step 2: Convert to fraction form
    54,895.95/75,747.80 = 31,930.85/x
  3. Step 3: Cross multiply
    54,895.95x = 75,747.80 × 31,930.85
  4. Step 4: Simplify right side
    54,895.95x = 2,418,691,639.63
  5. Step 5: Solve for x
    x = 2,418,691,639.63/54,895.95
  6. Step 6: Final answer
    x = 44,059.56

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1.5x scale

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.