Home / 43,872.76-60,572.10-30,439.72

Finding the Fourth Proportional to 43,872.76, 60,572.10 and 30,439.72

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Solution

The fourth proportional to 43,872.76, 60,572.10 and 30,439.72 is: 42,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.76 : 60,572.10 = 30,439.72 : x
  2. Step 2: Convert to fraction form
    43,872.76/60,572.10 = 30,439.72/x
  3. Step 3: Cross multiply
    43,872.76x = 60,572.10 × 30,439.72
  4. Step 4: Simplify right side
    43,872.76x = 1,843,797,763.81
  5. Step 5: Solve for x
    x = 1,843,797,763.81/43,872.76
  6. Step 6: Final answer
    x = 42,026.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.