Home / 40,353.12-55,687.41-22,448.25

Finding the Fourth Proportional to 40,353.12, 55,687.41 and 22,448.25

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Solution

The fourth proportional to 40,353.12, 55,687.41 and 22,448.25 is: 30,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353.12 : 55,687.41 = 22,448.25 : x
  2. Step 2: Convert to fraction form
    40,353.12/55,687.41 = 22,448.25/x
  3. Step 3: Cross multiply
    40,353.12x = 55,687.41 × 22,448.25
  4. Step 4: Simplify right side
    40,353.12x = 1,250,084,901.53
  5. Step 5: Solve for x
    x = 1,250,084,901.53/40,353.12
  6. Step 6: Final answer
    x = 30,978.64

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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.