Home / 36,693.62-50,637.39-20,781.17

Finding the Fourth Proportional to 36,693.62, 50,637.39 and 20,781.17

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Solution

The fourth proportional to 36,693.62, 50,637.39 and 20,781.17 is: 28,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.62 : 50,637.39 = 20,781.17 : x
  2. Step 2: Convert to fraction form
    36,693.62/50,637.39 = 20,781.17/x
  3. Step 3: Cross multiply
    36,693.62x = 50,637.39 × 20,781.17
  4. Step 4: Simplify right side
    36,693.62x = 1,052,303,956.76
  5. Step 5: Solve for x
    x = 1,052,303,956.76/36,693.62
  6. Step 6: Final answer
    x = 28,678.12

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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.