Home / 40,040.53-55,258.50-22,135.68

Finding the Fourth Proportional to 40,040.53, 55,258.50 and 22,135.68

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Solution

The fourth proportional to 40,040.53, 55,258.50 and 22,135.68 is: 30,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.53 : 55,258.50 = 22,135.68 : x
  2. Step 2: Convert to fraction form
    40,040.53/55,258.50 = 22,135.68/x
  3. Step 3: Cross multiply
    40,040.53x = 55,258.50 × 22,135.68
  4. Step 4: Simplify right side
    40,040.53x = 1,223,184,556.29
  5. Step 5: Solve for x
    x = 1,223,184,556.29/40,040.53
  6. Step 6: Final answer
    x = 30,548.66

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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.