Home / 40,112.28-55,362.60-23,127.84

Finding the Fourth Proportional to 40,112.28, 55,362.60 and 23,127.84

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Solution

The fourth proportional to 40,112.28, 55,362.60 and 23,127.84 is: 31,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.28 : 55,362.60 = 23,127.84 : x
  2. Step 2: Convert to fraction form
    40,112.28/55,362.60 = 23,127.84/x
  3. Step 3: Cross multiply
    40,112.28x = 55,362.60 × 23,127.84
  4. Step 4: Simplify right side
    40,112.28x = 1,280,417,354.78
  5. Step 5: Solve for x
    x = 1,280,417,354.78/40,112.28
  6. Step 6: Final answer
    x = 31,920.83

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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.