Home / 40,072.61-55,304.31-23,077.49

Finding the Fourth Proportional to 40,072.61, 55,304.31 and 23,077.49

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Solution

The fourth proportional to 40,072.61, 55,304.31 and 23,077.49 is: 31,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.61 : 55,304.31 = 23,077.49 : x
  2. Step 2: Convert to fraction form
    40,072.61/55,304.31 = 23,077.49/x
  3. Step 3: Cross multiply
    40,072.61x = 55,304.31 × 23,077.49
  4. Step 4: Simplify right side
    40,072.61x = 1,276,284,660.98
  5. Step 5: Solve for x
    x = 1,276,284,660.98/40,072.61
  6. Step 6: Final answer
    x = 31,849.30

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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.