Home / 29,379.50-44,071.56-8,319.20

Finding the Fourth Proportional to 29,379.50, 44,071.56 and 8,319.20

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Solution

The fourth proportional to 29,379.50, 44,071.56 and 8,319.20 is: 12,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.50 : 44,071.56 = 8,319.20 : x
  2. Step 2: Convert to fraction form
    29,379.50/44,071.56 = 8,319.20/x
  3. Step 3: Cross multiply
    29,379.50x = 44,071.56 × 8,319.20
  4. Step 4: Simplify right side
    29,379.50x = 366,640,121.95
  5. Step 5: Solve for x
    x = 366,640,121.95/29,379.50
  6. Step 6: Final answer
    x = 12,479.45

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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.