Home / 40,343.09-55,669.19-22,435.20

Finding the Fourth Proportional to 40,343.09, 55,669.19 and 22,435.20

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Solution

The fourth proportional to 40,343.09, 55,669.19 and 22,435.20 is: 30,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.09 : 55,669.19 = 22,435.20 : x
  2. Step 2: Convert to fraction form
    40,343.09/55,669.19 = 22,435.20/x
  3. Step 3: Cross multiply
    40,343.09x = 55,669.19 × 22,435.20
  4. Step 4: Simplify right side
    40,343.09x = 1,248,949,299.31
  5. Step 5: Solve for x
    x = 1,248,949,299.31/40,343.09
  6. Step 6: Final answer
    x = 30,958.20

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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.