Home / 77,071.24-115,600.78-24,481.18

Finding the Fourth Proportional to 77,071.24, 115,600.78 and 24,481.18

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Solution

The fourth proportional to 77,071.24, 115,600.78 and 24,481.18 is: 36,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.24 : 115,600.78 = 24,481.18 : x
  2. Step 2: Convert to fraction form
    77,071.24/115,600.78 = 24,481.18/x
  3. Step 3: Cross multiply
    77,071.24x = 115,600.78 × 24,481.18
  4. Step 4: Simplify right side
    77,071.24x = 2,830,043,503.32
  5. Step 5: Solve for x
    x = 2,830,043,503.32/77,071.24
  6. Step 6: Final answer
    x = 36,719.84

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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.