Home / 29,145.76-43,718.34-9,423.88

Finding the Fourth Proportional to 29,145.76, 43,718.34 and 9,423.88

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Solution

The fourth proportional to 29,145.76, 43,718.34 and 9,423.88 is: 14,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.76 : 43,718.34 = 9,423.88 : x
  2. Step 2: Convert to fraction form
    29,145.76/43,718.34 = 9,423.88/x
  3. Step 3: Cross multiply
    29,145.76x = 43,718.34 × 9,423.88
  4. Step 4: Simplify right side
    29,145.76x = 411,996,389.96
  5. Step 5: Solve for x
    x = 411,996,389.96/29,145.76
  6. Step 6: Final answer
    x = 14,135.72

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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.