Home / 35,531.20-49,033.20-19,398.56

Finding the Fourth Proportional to 35,531.20, 49,033.20 and 19,398.56

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Solution

The fourth proportional to 35,531.20, 49,033.20 and 19,398.56 is: 26,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.20 : 49,033.20 = 19,398.56 : x
  2. Step 2: Convert to fraction form
    35,531.20/49,033.20 = 19,398.56/x
  3. Step 3: Cross multiply
    35,531.20x = 49,033.20 × 19,398.56
  4. Step 4: Simplify right side
    35,531.20x = 951,173,472.19
  5. Step 5: Solve for x
    x = 951,173,472.19/35,531.20
  6. Step 6: Final answer
    x = 26,770.09

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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.