Home / 40,102.11-55,346.74-23,103.04

Finding the Fourth Proportional to 40,102.11, 55,346.74 and 23,103.04

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Solution

The fourth proportional to 40,102.11, 55,346.74 and 23,103.04 is: 31,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.11 : 55,346.74 = 23,103.04 : x
  2. Step 2: Convert to fraction form
    40,102.11/55,346.74 = 23,103.04/x
  3. Step 3: Cross multiply
    40,102.11x = 55,346.74 × 23,103.04
  4. Step 4: Simplify right side
    40,102.11x = 1,278,677,948.09
  5. Step 5: Solve for x
    x = 1,278,677,948.09/40,102.11
  6. Step 6: Final answer
    x = 31,885.55

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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.