Home / 40,117.58-55,363.99-22,212.58

Finding the Fourth Proportional to 40,117.58, 55,363.99 and 22,212.58

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Solution

The fourth proportional to 40,117.58, 55,363.99 and 22,212.58 is: 30,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.58 : 55,363.99 = 22,212.58 : x
  2. Step 2: Convert to fraction form
    40,117.58/55,363.99 = 22,212.58/x
  3. Step 3: Cross multiply
    40,117.58x = 55,363.99 × 22,212.58
  4. Step 4: Simplify right side
    40,117.58x = 1,229,776,945.93
  5. Step 5: Solve for x
    x = 1,229,776,945.93/40,117.58
  6. Step 6: Final answer
    x = 30,654.32

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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.