Home / 40,270.79-55,578.10-23,044.75

Finding the Fourth Proportional to 40,270.79, 55,578.10 and 23,044.75

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Solution

The fourth proportional to 40,270.79, 55,578.10 and 23,044.75 is: 31,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.79 : 55,578.10 = 23,044.75 : x
  2. Step 2: Convert to fraction form
    40,270.79/55,578.10 = 23,044.75/x
  3. Step 3: Cross multiply
    40,270.79x = 55,578.10 × 23,044.75
  4. Step 4: Simplify right side
    40,270.79x = 1,280,783,419.98
  5. Step 5: Solve for x
    x = 1,280,783,419.98/40,270.79
  6. Step 6: Final answer
    x = 31,804.28

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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.