Home / 52,391.41-72,297.21-28,516.66

Finding the Fourth Proportional to 52,391.41, 72,297.21 and 28,516.66

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Solution

The fourth proportional to 52,391.41, 72,297.21 and 28,516.66 is: 39,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.41 : 72,297.21 = 28,516.66 : x
  2. Step 2: Convert to fraction form
    52,391.41/72,297.21 = 28,516.66/x
  3. Step 3: Cross multiply
    52,391.41x = 72,297.21 × 28,516.66
  4. Step 4: Simplify right side
    52,391.41x = 2,061,674,722.31
  5. Step 5: Solve for x
    x = 2,061,674,722.31/52,391.41
  6. Step 6: Final answer
    x = 39,351.39

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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.