Home / 40,302.90-55,614.87-22,396.32

Finding the Fourth Proportional to 40,302.90, 55,614.87 and 22,396.32

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Solution

The fourth proportional to 40,302.90, 55,614.87 and 22,396.32 is: 30,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.90 : 55,614.87 = 22,396.32 : x
  2. Step 2: Convert to fraction form
    40,302.90/55,614.87 = 22,396.32/x
  3. Step 3: Cross multiply
    40,302.90x = 55,614.87 × 22,396.32
  4. Step 4: Simplify right side
    40,302.90x = 1,245,568,425.28
  5. Step 5: Solve for x
    x = 1,245,568,425.28/40,302.90
  6. Step 6: Final answer
    x = 30,905.18

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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.