Home / 45,565.05-68,344.54-21,889.56

Finding the Fourth Proportional to 45,565.05, 68,344.54 and 21,889.56

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Solution

The fourth proportional to 45,565.05, 68,344.54 and 21,889.56 is: 32,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.05 : 68,344.54 = 21,889.56 : x
  2. Step 2: Convert to fraction form
    45,565.05/68,344.54 = 21,889.56/x
  3. Step 3: Cross multiply
    45,565.05x = 68,344.54 × 21,889.56
  4. Step 4: Simplify right side
    45,565.05x = 1,496,031,854.28
  5. Step 5: Solve for x
    x = 1,496,031,854.28/45,565.05
  6. Step 6: Final answer
    x = 32,832.88

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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.