Home / 36,981.12-51,035.22-20,214.12

Finding the Fourth Proportional to 36,981.12, 51,035.22 and 20,214.12

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Solution

The fourth proportional to 36,981.12, 51,035.22 and 20,214.12 is: 27,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.12 : 51,035.22 = 20,214.12 : x
  2. Step 2: Convert to fraction form
    36,981.12/51,035.22 = 20,214.12/x
  3. Step 3: Cross multiply
    36,981.12x = 51,035.22 × 20,214.12
  4. Step 4: Simplify right side
    36,981.12x = 1,031,632,061.31
  5. Step 5: Solve for x
    x = 1,031,632,061.31/36,981.12
  6. Step 6: Final answer
    x = 27,896.18

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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.