Home / 40,054.78-55,276.54-22,150.13

Finding the Fourth Proportional to 40,054.78, 55,276.54 and 22,150.13

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Solution

The fourth proportional to 40,054.78, 55,276.54 and 22,150.13 is: 30,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054.78 : 55,276.54 = 22,150.13 : x
  2. Step 2: Convert to fraction form
    40,054.78/55,276.54 = 22,150.13/x
  3. Step 3: Cross multiply
    40,054.78x = 55,276.54 × 22,150.13
  4. Step 4: Simplify right side
    40,054.78x = 1,224,382,546.95
  5. Step 5: Solve for x
    x = 1,224,382,546.95/40,054.78
  6. Step 6: Final answer
    x = 30,567.70

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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.