Home / 40,454.94-55,829.72-22,550.08

Finding the Fourth Proportional to 40,454.94, 55,829.72 and 22,550.08

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Solution

The fourth proportional to 40,454.94, 55,829.72 and 22,550.08 is: 31,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.94 : 55,829.72 = 22,550.08 : x
  2. Step 2: Convert to fraction form
    40,454.94/55,829.72 = 22,550.08/x
  3. Step 3: Cross multiply
    40,454.94x = 55,829.72 × 22,550.08
  4. Step 4: Simplify right side
    40,454.94x = 1,258,964,652.38
  5. Step 5: Solve for x
    x = 1,258,964,652.38/40,454.94
  6. Step 6: Final answer
    x = 31,120.17

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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.