Home / 40,113.32-55,355.52-22,207.28

Finding the Fourth Proportional to 40,113.32, 55,355.52 and 22,207.28

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Solution

The fourth proportional to 40,113.32, 55,355.52 and 22,207.28 is: 30,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.32 : 55,355.52 = 22,207.28 : x
  2. Step 2: Convert to fraction form
    40,113.32/55,355.52 = 22,207.28/x
  3. Step 3: Cross multiply
    40,113.32x = 55,355.52 × 22,207.28
  4. Step 4: Simplify right side
    40,113.32x = 1,229,295,532.19
  5. Step 5: Solve for x
    x = 1,229,295,532.19/40,113.32
  6. Step 6: Final answer
    x = 30,645.57

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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.