Home / 40,208.92-55,488.66-22,305.40

Finding the Fourth Proportional to 40,208.92, 55,488.66 and 22,305.40

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Solution

The fourth proportional to 40,208.92, 55,488.66 and 22,305.40 is: 30,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.92 : 55,488.66 = 22,305.40 : x
  2. Step 2: Convert to fraction form
    40,208.92/55,488.66 = 22,305.40/x
  3. Step 3: Cross multiply
    40,208.92x = 55,488.66 × 22,305.40
  4. Step 4: Simplify right side
    40,208.92x = 1,237,696,756.76
  5. Step 5: Solve for x
    x = 1,237,696,756.76/40,208.92
  6. Step 6: Final answer
    x = 30,781.65

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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.