Home / 40,334.40-55,661.36-22,431.06

Finding the Fourth Proportional to 40,334.40, 55,661.36 and 22,431.06

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Solution

The fourth proportional to 40,334.40, 55,661.36 and 22,431.06 is: 30,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,334.40 : 55,661.36 = 22,431.06 : x
  2. Step 2: Convert to fraction form
    40,334.40/55,661.36 = 22,431.06/x
  3. Step 3: Cross multiply
    40,334.40x = 55,661.36 × 22,431.06
  4. Step 4: Simplify right side
    40,334.40x = 1,248,543,193.69
  5. Step 5: Solve for x
    x = 1,248,543,193.69/40,334.40
  6. Step 6: Final answer
    x = 30,954.80

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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.