Home / 40,162.30-55,424.09-22,257.60

Finding the Fourth Proportional to 40,162.30, 55,424.09 and 22,257.60

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Solution

The fourth proportional to 40,162.30, 55,424.09 and 22,257.60 is: 30,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.30 : 55,424.09 = 22,257.60 : x
  2. Step 2: Convert to fraction form
    40,162.30/55,424.09 = 22,257.60/x
  3. Step 3: Cross multiply
    40,162.30x = 55,424.09 × 22,257.60
  4. Step 4: Simplify right side
    40,162.30x = 1,233,607,225.58
  5. Step 5: Solve for x
    x = 1,233,607,225.58/40,162.30
  6. Step 6: Final answer
    x = 30,715.55

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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.