Home / 29,325.72-40,437.38-21,786.04

Finding the Fourth Proportional to 29,325.72, 40,437.38 and 21,786.04

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Solution

The fourth proportional to 29,325.72, 40,437.38 and 21,786.04 is: 30,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.72 : 40,437.38 = 21,786.04 : x
  2. Step 2: Convert to fraction form
    29,325.72/40,437.38 = 21,786.04/x
  3. Step 3: Cross multiply
    29,325.72x = 40,437.38 × 21,786.04
  4. Step 4: Simplify right side
    29,325.72x = 880,970,331.55
  5. Step 5: Solve for x
    x = 880,970,331.55/29,325.72
  6. Step 6: Final answer
    x = 30,040.88

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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.