Home / 40,303.90-55,616.25-22,397.32

Finding the Fourth Proportional to 40,303.90, 55,616.25 and 22,397.32

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Solution

The fourth proportional to 40,303.90, 55,616.25 and 22,397.32 is: 30,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.90 : 55,616.25 = 22,397.32 : x
  2. Step 2: Convert to fraction form
    40,303.90/55,616.25 = 22,397.32/x
  3. Step 3: Cross multiply
    40,303.90x = 55,616.25 × 22,397.32
  4. Step 4: Simplify right side
    40,303.90x = 1,245,654,948.45
  5. Step 5: Solve for x
    x = 1,245,654,948.45/40,303.90
  6. Step 6: Final answer
    x = 30,906.56

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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.