Home / 40,110.04-55,352.51-21,960.46

Finding the Fourth Proportional to 40,110.04, 55,352.51 and 21,960.46

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Solution

The fourth proportional to 40,110.04, 55,352.51 and 21,960.46 is: 30,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.04 : 55,352.51 = 21,960.46 : x
  2. Step 2: Convert to fraction form
    40,110.04/55,352.51 = 21,960.46/x
  3. Step 3: Cross multiply
    40,110.04x = 55,352.51 × 21,960.46
  4. Step 4: Simplify right side
    40,110.04x = 1,215,566,581.75
  5. Step 5: Solve for x
    x = 1,215,566,581.75/40,110.04
  6. Step 6: Final answer
    x = 30,305.79

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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.