Home / 40,159.40-55,419.89-22,010.56

Finding the Fourth Proportional to 40,159.40, 55,419.89 and 22,010.56

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Solution

The fourth proportional to 40,159.40, 55,419.89 and 22,010.56 is: 30,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.40 : 55,419.89 = 22,010.56 : x
  2. Step 2: Convert to fraction form
    40,159.40/55,419.89 = 22,010.56/x
  3. Step 3: Cross multiply
    40,159.40x = 55,419.89 × 22,010.56
  4. Step 4: Simplify right side
    40,159.40x = 1,219,822,565.44
  5. Step 5: Solve for x
    x = 1,219,822,565.44/40,159.40
  6. Step 6: Final answer
    x = 30,374.53

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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.