Home / 40,203.90-55,479.12-22,297.62

Finding the Fourth Proportional to 40,203.90, 55,479.12 and 22,297.62

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Solution

The fourth proportional to 40,203.90, 55,479.12 and 22,297.62 is: 30,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203.90 : 55,479.12 = 22,297.62 : x
  2. Step 2: Convert to fraction form
    40,203.90/55,479.12 = 22,297.62/x
  3. Step 3: Cross multiply
    40,203.90x = 55,479.12 × 22,297.62
  4. Step 4: Simplify right side
    40,203.90x = 1,237,052,335.69
  5. Step 5: Solve for x
    x = 1,237,052,335.69/40,203.90
  6. Step 6: Final answer
    x = 30,769.46

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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.