Home / 40,334.07-55,660.80-22,428.03

Finding the Fourth Proportional to 40,334.07, 55,660.80 and 22,428.03

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Solution

The fourth proportional to 40,334.07, 55,660.80 and 22,428.03 is: 30,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,334.07 : 55,660.80 = 22,428.03 : x
  2. Step 2: Convert to fraction form
    40,334.07/55,660.80 = 22,428.03/x
  3. Step 3: Cross multiply
    40,334.07x = 55,660.80 × 22,428.03
  4. Step 4: Simplify right side
    40,334.07x = 1,248,362,092.22
  5. Step 5: Solve for x
    x = 1,248,362,092.22/40,334.07
  6. Step 6: Final answer
    x = 30,950.56

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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.