Home / 61,188.32-91,778.72-36,386.20

Finding the Fourth Proportional to 61,188.32, 91,778.72 and 36,386.20

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Solution

The fourth proportional to 61,188.32, 91,778.72 and 36,386.20 is: 54,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,188.32 : 91,778.72 = 36,386.20 : x
  2. Step 2: Convert to fraction form
    61,188.32/91,778.72 = 36,386.20/x
  3. Step 3: Cross multiply
    61,188.32x = 91,778.72 × 36,386.20
  4. Step 4: Simplify right side
    61,188.32x = 3,339,478,861.66
  5. Step 5: Solve for x
    x = 3,339,478,861.66/61,188.32
  6. Step 6: Final answer
    x = 54,577.06

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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.