Home / 40,009.62-55,210.50-22,104.48

Finding the Fourth Proportional to 40,009.62, 55,210.50 and 22,104.48

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Solution

The fourth proportional to 40,009.62, 55,210.50 and 22,104.48 is: 30,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.62 : 55,210.50 = 22,104.48 : x
  2. Step 2: Convert to fraction form
    40,009.62/55,210.50 = 22,104.48/x
  3. Step 3: Cross multiply
    40,009.62x = 55,210.50 × 22,104.48
  4. Step 4: Simplify right side
    40,009.62x = 1,220,399,393.04
  5. Step 5: Solve for x
    x = 1,220,399,393.04/40,009.62
  6. Step 6: Final answer
    x = 30,502.65

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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.