Home / 40,135.19-55,386.63-22,229.82

Finding the Fourth Proportional to 40,135.19, 55,386.63 and 22,229.82

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Solution

The fourth proportional to 40,135.19, 55,386.63 and 22,229.82 is: 30,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.19 : 55,386.63 = 22,229.82 : x
  2. Step 2: Convert to fraction form
    40,135.19/55,386.63 = 22,229.82/x
  3. Step 3: Cross multiply
    40,135.19x = 55,386.63 × 22,229.82
  4. Step 4: Simplify right side
    40,135.19x = 1,231,234,815.31
  5. Step 5: Solve for x
    x = 1,231,234,815.31/40,135.19
  6. Step 6: Final answer
    x = 30,677.19

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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.