Home / 29,326.76-43,990.17-7,139.96

Finding the Fourth Proportional to 29,326.76, 43,990.17 and 7,139.96

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Solution

The fourth proportional to 29,326.76, 43,990.17 and 7,139.96 is: 10,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.76 : 43,990.17 = 7,139.96 : x
  2. Step 2: Convert to fraction form
    29,326.76/43,990.17 = 7,139.96/x
  3. Step 3: Cross multiply
    29,326.76x = 43,990.17 × 7,139.96
  4. Step 4: Simplify right side
    29,326.76x = 314,088,054.19
  5. Step 5: Solve for x
    x = 314,088,054.19/29,326.76
  6. Step 6: Final answer
    x = 10,709.95

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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.