Home / 40,122.06-55,368.44-22,217.07

Finding the Fourth Proportional to 40,122.06, 55,368.44 and 22,217.07

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Solution

The fourth proportional to 40,122.06, 55,368.44 and 22,217.07 is: 30,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.06 : 55,368.44 = 22,217.07 : x
  2. Step 2: Convert to fraction form
    40,122.06/55,368.44 = 22,217.07/x
  3. Step 3: Cross multiply
    40,122.06x = 55,368.44 × 22,217.07
  4. Step 4: Simplify right side
    40,122.06x = 1,230,124,243.27
  5. Step 5: Solve for x
    x = 1,230,124,243.27/40,122.06
  6. Step 6: Final answer
    x = 30,659.55

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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.