Home / 49,660.80-68,516.40-28,436.16

Finding the Fourth Proportional to 49,660.80, 68,516.40 and 28,436.16

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Solution

The fourth proportional to 49,660.80, 68,516.40 and 28,436.16 is: 39,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,660.80 : 68,516.40 = 28,436.16 : x
  2. Step 2: Convert to fraction form
    49,660.80/68,516.40 = 28,436.16/x
  3. Step 3: Cross multiply
    49,660.80x = 68,516.40 × 28,436.16
  4. Step 4: Simplify right side
    49,660.80x = 1,948,343,313.02
  5. Step 5: Solve for x
    x = 1,948,343,313.02/49,660.80
  6. Step 6: Final answer
    x = 39,233.02

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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.