Home / 29,740.20-44,613-21,227.28

Finding the Fourth Proportional to 29,740.20, 44,613 and 21,227.28

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Solution

The fourth proportional to 29,740.20, 44,613 and 21,227.28 is: 31,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,740.20 : 44,613 = 21,227.28 : x
  2. Step 2: Convert to fraction form
    29,740.20/44,613 = 21,227.28/x
  3. Step 3: Cross multiply
    29,740.20x = 44,613 × 21,227.28
  4. Step 4: Simplify right side
    29,740.20x = 947,012,642.64
  5. Step 5: Solve for x
    x = 947,012,642.64/29,740.20
  6. Step 6: Final answer
    x = 31,842.85

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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.