Home / 61,037.85-91,482.97-31,439.54

Finding the Fourth Proportional to 61,037.85, 91,482.97 and 31,439.54

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Solution

The fourth proportional to 61,037.85, 91,482.97 and 31,439.54 is: 47,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.85 : 91,482.97 = 31,439.54 : x
  2. Step 2: Convert to fraction form
    61,037.85/91,482.97 = 31,439.54/x
  3. Step 3: Cross multiply
    61,037.85x = 91,482.97 × 31,439.54
  4. Step 4: Simplify right side
    61,037.85x = 2,876,182,644.74
  5. Step 5: Solve for x
    x = 2,876,182,644.74/61,037.85
  6. Step 6: Final answer
    x = 47,121.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.