Home / 64,031.28-95,999.31-30,719.61

Finding the Fourth Proportional to 64,031.28, 95,999.31 and 30,719.61

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Solution

The fourth proportional to 64,031.28, 95,999.31 and 30,719.61 is: 46,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,031.28 : 95,999.31 = 30,719.61 : x
  2. Step 2: Convert to fraction form
    64,031.28/95,999.31 = 30,719.61/x
  3. Step 3: Cross multiply
    64,031.28x = 95,999.31 × 30,719.61
  4. Step 4: Simplify right side
    64,031.28x = 2,949,061,363.47
  5. Step 5: Solve for x
    x = 2,949,061,363.47/64,031.28
  6. Step 6: Final answer
    x = 46,056.57

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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.