Home / 40,040.63-55,253.34-22,135.48

Finding the Fourth Proportional to 40,040.63, 55,253.34 and 22,135.48

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Solution

The fourth proportional to 40,040.63, 55,253.34 and 22,135.48 is: 30,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.63 : 55,253.34 = 22,135.48 : x
  2. Step 2: Convert to fraction form
    40,040.63/55,253.34 = 22,135.48/x
  3. Step 3: Cross multiply
    40,040.63x = 55,253.34 × 22,135.48
  4. Step 4: Simplify right side
    40,040.63x = 1,223,059,064.37
  5. Step 5: Solve for x
    x = 1,223,059,064.37/40,040.63
  6. Step 6: Final answer
    x = 30,545.45

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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.