Home / 36,018.04-49,707.40-20,105.60

Finding the Fourth Proportional to 36,018.04, 49,707.40 and 20,105.60

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Solution

The fourth proportional to 36,018.04, 49,707.40 and 20,105.60 is: 27,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.04 : 49,707.40 = 20,105.60 : x
  2. Step 2: Convert to fraction form
    36,018.04/49,707.40 = 20,105.60/x
  3. Step 3: Cross multiply
    36,018.04x = 49,707.40 × 20,105.60
  4. Step 4: Simplify right side
    36,018.04x = 999,397,101.44
  5. Step 5: Solve for x
    x = 999,397,101.44/36,018.04
  6. Step 6: Final answer
    x = 27,747.13

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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.