Home / 30,472.18-45,375.30-29,351.16

Finding the Fourth Proportional to 30,472.18, 45,375.30 and 29,351.16

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Solution

The fourth proportional to 30,472.18, 45,375.30 and 29,351.16 is: 43,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.18 : 45,375.30 = 29,351.16 : x
  2. Step 2: Convert to fraction form
    30,472.18/45,375.30 = 29,351.16/x
  3. Step 3: Cross multiply
    30,472.18x = 45,375.30 × 29,351.16
  4. Step 4: Simplify right side
    30,472.18x = 1,331,817,690.35
  5. Step 5: Solve for x
    x = 1,331,817,690.35/30,472.18
  6. Step 6: Final answer
    x = 43,706.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.