Home / 45,515.76-68,247.72-22,112.88

Finding the Fourth Proportional to 45,515.76, 68,247.72 and 22,112.88

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Solution

The fourth proportional to 45,515.76, 68,247.72 and 22,112.88 is: 33,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.76 : 68,247.72 = 22,112.88 : x
  2. Step 2: Convert to fraction form
    45,515.76/68,247.72 = 22,112.88/x
  3. Step 3: Cross multiply
    45,515.76x = 68,247.72 × 22,112.88
  4. Step 4: Simplify right side
    45,515.76x = 1,509,153,642.63
  5. Step 5: Solve for x
    x = 1,509,153,642.63/45,515.76
  6. Step 6: Final answer
    x = 33,156.73

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1.5x scale

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.