Home / 40,568.90-55,982.62-22,419.22

Finding the Fourth Proportional to 40,568.90, 55,982.62 and 22,419.22

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Solution

The fourth proportional to 40,568.90, 55,982.62 and 22,419.22 is: 30,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.90 : 55,982.62 = 22,419.22 : x
  2. Step 2: Convert to fraction form
    40,568.90/55,982.62 = 22,419.22/x
  3. Step 3: Cross multiply
    40,568.90x = 55,982.62 × 22,419.22
  4. Step 4: Simplify right side
    40,568.90x = 1,255,086,477.95
  5. Step 5: Solve for x
    x = 1,255,086,477.95/40,568.90
  6. Step 6: Final answer
    x = 30,937.16

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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.