Home / 32,431.78-44,753.61-18,281.62

Finding the Fourth Proportional to 32,431.78, 44,753.61 and 18,281.62

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Solution

The fourth proportional to 32,431.78, 44,753.61 and 18,281.62 is: 25,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.78 : 44,753.61 = 18,281.62 : x
  2. Step 2: Convert to fraction form
    32,431.78/44,753.61 = 18,281.62/x
  3. Step 3: Cross multiply
    32,431.78x = 44,753.61 × 18,281.62
  4. Step 4: Simplify right side
    32,431.78x = 818,168,491.65
  5. Step 5: Solve for x
    x = 818,168,491.65/32,431.78
  6. Step 6: Final answer
    x = 25,227.37

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1.5x scale

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.