Home / 35,363.28-48,780.99-21,207.90

Finding the Fourth Proportional to 35,363.28, 48,780.99 and 21,207.90

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Solution

The fourth proportional to 35,363.28, 48,780.99 and 21,207.90 is: 29,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,363.28 : 48,780.99 = 21,207.90 : x
  2. Step 2: Convert to fraction form
    35,363.28/48,780.99 = 21,207.90/x
  3. Step 3: Cross multiply
    35,363.28x = 48,780.99 × 21,207.90
  4. Step 4: Simplify right side
    35,363.28x = 1,034,542,357.82
  5. Step 5: Solve for x
    x = 1,034,542,357.82/35,363.28
  6. Step 6: Final answer
    x = 29,254.71

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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.