Home / 61,180.32-91,622.28-31,115.46

Finding the Fourth Proportional to 61,180.32, 91,622.28 and 31,115.46

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Solution

The fourth proportional to 61,180.32, 91,622.28 and 31,115.46 is: 46,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,180.32 : 91,622.28 = 31,115.46 : x
  2. Step 2: Convert to fraction form
    61,180.32/91,622.28 = 31,115.46/x
  3. Step 3: Cross multiply
    61,180.32x = 91,622.28 × 31,115.46
  4. Step 4: Simplify right side
    61,180.32x = 2,850,869,388.45
  5. Step 5: Solve for x
    x = 2,850,869,388.45/61,180.32
  6. Step 6: Final answer
    x = 46,597.82

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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.