Home / 36,125.80-49,853.27-20,210.31

Finding the Fourth Proportional to 36,125.80, 49,853.27 and 20,210.31

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Solution

The fourth proportional to 36,125.80, 49,853.27 and 20,210.31 is: 27,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.80 : 49,853.27 = 20,210.31 : x
  2. Step 2: Convert to fraction form
    36,125.80/49,853.27 = 20,210.31/x
  3. Step 3: Cross multiply
    36,125.80x = 49,853.27 × 20,210.31
  4. Step 4: Simplify right side
    36,125.80x = 1,007,550,091.74
  5. Step 5: Solve for x
    x = 1,007,550,091.74/36,125.80
  6. Step 6: Final answer
    x = 27,890.04

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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.