Home / 40,446-55,815.51-22,540.59

Finding the Fourth Proportional to 40,446, 55,815.51 and 22,540.59

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Solution

The fourth proportional to 40,446, 55,815.51 and 22,540.59 is: 31,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,446 : 55,815.51 = 22,540.59 : x
  2. Step 2: Convert to fraction form
    40,446/55,815.51 = 22,540.59/x
  3. Step 3: Cross multiply
    40,446x = 55,815.51 × 22,540.59
  4. Step 4: Simplify right side
    40,446x = 1,258,114,526.55
  5. Step 5: Solve for x
    x = 1,258,114,526.55/40,446
  6. Step 6: Final answer
    x = 31,106.03

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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.