Home / 45,116.28-67,664.52-15,134.72

Finding the Fourth Proportional to 45,116.28, 67,664.52 and 15,134.72

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Solution

The fourth proportional to 45,116.28, 67,664.52 and 15,134.72 is: 22,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.28 : 67,664.52 = 15,134.72 : x
  2. Step 2: Convert to fraction form
    45,116.28/67,664.52 = 15,134.72/x
  3. Step 3: Cross multiply
    45,116.28x = 67,664.52 × 15,134.72
  4. Step 4: Simplify right side
    45,116.28x = 1,024,083,225.81
  5. Step 5: Solve for x
    x = 1,024,083,225.81/45,116.28
  6. Step 6: Final answer
    x = 22,698.75

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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.