Home / 40,302.16-55,615.64-22,396.48

Finding the Fourth Proportional to 40,302.16, 55,615.64 and 22,396.48

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Solution

The fourth proportional to 40,302.16, 55,615.64 and 22,396.48 is: 30,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.16 : 55,615.64 = 22,396.48 : x
  2. Step 2: Convert to fraction form
    40,302.16/55,615.64 = 22,396.48/x
  3. Step 3: Cross multiply
    40,302.16x = 55,615.64 × 22,396.48
  4. Step 4: Simplify right side
    40,302.16x = 1,245,594,568.95
  5. Step 5: Solve for x
    x = 1,245,594,568.95/40,302.16
  6. Step 6: Final answer
    x = 30,906.40

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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.