Home / 36,050.80-49,751.52-20,943.28

Finding the Fourth Proportional to 36,050.80, 49,751.52 and 20,943.28

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Solution

The fourth proportional to 36,050.80, 49,751.52 and 20,943.28 is: 28,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,050.80 : 49,751.52 = 20,943.28 : x
  2. Step 2: Convert to fraction form
    36,050.80/49,751.52 = 20,943.28/x
  3. Step 3: Cross multiply
    36,050.80x = 49,751.52 × 20,943.28
  4. Step 4: Simplify right side
    36,050.80x = 1,041,960,013.79
  5. Step 5: Solve for x
    x = 1,041,960,013.79/36,050.80
  6. Step 6: Final answer
    x = 28,902.55

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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.