Home / 29,307.90-43,964.91-8,531.40

Finding the Fourth Proportional to 29,307.90, 43,964.91 and 8,531.40

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Solution

The fourth proportional to 29,307.90, 43,964.91 and 8,531.40 is: 12,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.90 : 43,964.91 = 8,531.40 : x
  2. Step 2: Convert to fraction form
    29,307.90/43,964.91 = 8,531.40/x
  3. Step 3: Cross multiply
    29,307.90x = 43,964.91 × 8,531.40
  4. Step 4: Simplify right side
    29,307.90x = 375,082,233.17
  5. Step 5: Solve for x
    x = 375,082,233.17/29,307.90
  6. Step 6: Final answer
    x = 12,797.99

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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.