Home / 36,018.54-49,708.08-20,106.18

Finding the Fourth Proportional to 36,018.54, 49,708.08 and 20,106.18

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Solution

The fourth proportional to 36,018.54, 49,708.08 and 20,106.18 is: 27,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.54 : 49,708.08 = 20,106.18 : x
  2. Step 2: Convert to fraction form
    36,018.54/49,708.08 = 20,106.18/x
  3. Step 3: Cross multiply
    36,018.54x = 49,708.08 × 20,106.18
  4. Step 4: Simplify right side
    36,018.54x = 999,439,603.93
  5. Step 5: Solve for x
    x = 999,439,603.93/36,018.54
  6. Step 6: Final answer
    x = 27,747.92

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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.