Home / 40,255.06-55,553.40-22,350.34

Finding the Fourth Proportional to 40,255.06, 55,553.40 and 22,350.34

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Solution

The fourth proportional to 40,255.06, 55,553.40 and 22,350.34 is: 30,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.06 : 55,553.40 = 22,350.34 : x
  2. Step 2: Convert to fraction form
    40,255.06/55,553.40 = 22,350.34/x
  3. Step 3: Cross multiply
    40,255.06x = 55,553.40 × 22,350.34
  4. Step 4: Simplify right side
    40,255.06x = 1,241,637,378.16
  5. Step 5: Solve for x
    x = 1,241,637,378.16/40,255.06
  6. Step 6: Final answer
    x = 30,844.26

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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.