Home / 36,102.72-49,824.05-20,187.17

Finding the Fourth Proportional to 36,102.72, 49,824.05 and 20,187.17

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Solution

The fourth proportional to 36,102.72, 49,824.05 and 20,187.17 is: 27,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,102.72 : 49,824.05 = 20,187.17 : x
  2. Step 2: Convert to fraction form
    36,102.72/49,824.05 = 20,187.17/x
  3. Step 3: Cross multiply
    36,102.72x = 49,824.05 × 20,187.17
  4. Step 4: Simplify right side
    36,102.72x = 1,005,806,434.42
  5. Step 5: Solve for x
    x = 1,005,806,434.42/36,102.72
  6. Step 6: Final answer
    x = 27,859.57

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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.