Home / 36,020.54-49,710.84-20,108.18

Finding the Fourth Proportional to 36,020.54, 49,710.84 and 20,108.18

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Solution

The fourth proportional to 36,020.54, 49,710.84 and 20,108.18 is: 27,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.54 : 49,710.84 = 20,108.18 : x
  2. Step 2: Convert to fraction form
    36,020.54/49,710.84 = 20,108.18/x
  3. Step 3: Cross multiply
    36,020.54x = 49,710.84 × 20,108.18
  4. Step 4: Simplify right side
    36,020.54x = 999,594,518.67
  5. Step 5: Solve for x
    x = 999,594,518.67/36,020.54
  6. Step 6: Final answer
    x = 27,750.68

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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.