Home / 32,644.76-45,033.19-21,320.89

Finding the Fourth Proportional to 32,644.76, 45,033.19 and 21,320.89

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Solution

The fourth proportional to 32,644.76, 45,033.19 and 21,320.89 is: 29,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.76 : 45,033.19 = 21,320.89 : x
  2. Step 2: Convert to fraction form
    32,644.76/45,033.19 = 21,320.89/x
  3. Step 3: Cross multiply
    32,644.76x = 45,033.19 × 21,320.89
  4. Step 4: Simplify right side
    32,644.76x = 960,147,583.73
  5. Step 5: Solve for x
    x = 960,147,583.73/32,644.76
  6. Step 6: Final answer
    x = 29,412.00

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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.