Home / 40,426.38-55,788.45-23,433.90

Finding the Fourth Proportional to 40,426.38, 55,788.45 and 23,433.90

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Solution

The fourth proportional to 40,426.38, 55,788.45 and 23,433.90 is: 32,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.38 : 55,788.45 = 23,433.90 : x
  2. Step 2: Convert to fraction form
    40,426.38/55,788.45 = 23,433.90/x
  3. Step 3: Cross multiply
    40,426.38x = 55,788.45 × 23,433.90
  4. Step 4: Simplify right side
    40,426.38x = 1,307,340,958.46
  5. Step 5: Solve for x
    x = 1,307,340,958.46/40,426.38
  6. Step 6: Final answer
    x = 32,338.81

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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.