Home / 40,117.77-55,362.96-22,213.08

Finding the Fourth Proportional to 40,117.77, 55,362.96 and 22,213.08

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Solution

The fourth proportional to 40,117.77, 55,362.96 and 22,213.08 is: 30,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.77 : 55,362.96 = 22,213.08 : x
  2. Step 2: Convert to fraction form
    40,117.77/55,362.96 = 22,213.08/x
  3. Step 3: Cross multiply
    40,117.77x = 55,362.96 × 22,213.08
  4. Step 4: Simplify right side
    40,117.77x = 1,229,781,859.52
  5. Step 5: Solve for x
    x = 1,229,781,859.52/40,117.77
  6. Step 6: Final answer
    x = 30,654.29

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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.