Home / 29,120.50-43,680.75-7,232.50

Finding the Fourth Proportional to 29,120.50, 43,680.75 and 7,232.50

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Solution

The fourth proportional to 29,120.50, 43,680.75 and 7,232.50 is: 10,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.50 : 43,680.75 = 7,232.50 : x
  2. Step 2: Convert to fraction form
    29,120.50/43,680.75 = 7,232.50/x
  3. Step 3: Cross multiply
    29,120.50x = 43,680.75 × 7,232.50
  4. Step 4: Simplify right side
    29,120.50x = 315,921,024.38
  5. Step 5: Solve for x
    x = 315,921,024.38/29,120.50
  6. Step 6: Final answer
    x = 10,848.75

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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.