Home / 45,233.93-67,851.09-18,920.23

Finding the Fourth Proportional to 45,233.93, 67,851.09 and 18,920.23

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Solution

The fourth proportional to 45,233.93, 67,851.09 and 18,920.23 is: 28,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.93 : 67,851.09 = 18,920.23 : x
  2. Step 2: Convert to fraction form
    45,233.93/67,851.09 = 18,920.23/x
  3. Step 3: Cross multiply
    45,233.93x = 67,851.09 × 18,920.23
  4. Step 4: Simplify right side
    45,233.93x = 1,283,758,058.92
  5. Step 5: Solve for x
    x = 1,283,758,058.92/45,233.93
  6. Step 6: Final answer
    x = 28,380.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.