Home / 53,401.50-73,691.19-29,526.78

Finding the Fourth Proportional to 53,401.50, 73,691.19 and 29,526.78

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Solution

The fourth proportional to 53,401.50, 73,691.19 and 29,526.78 is: 40,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.50 : 73,691.19 = 29,526.78 : x
  2. Step 2: Convert to fraction form
    53,401.50/73,691.19 = 29,526.78/x
  3. Step 3: Cross multiply
    53,401.50x = 73,691.19 × 29,526.78
  4. Step 4: Simplify right side
    53,401.50x = 2,175,863,555.07
  5. Step 5: Solve for x
    x = 2,175,863,555.07/53,401.50
  6. Step 6: Final answer
    x = 40,745.36

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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.