Home / 36,122.79-49,854.16-20,212.36

Finding the Fourth Proportional to 36,122.79, 49,854.16 and 20,212.36

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Solution

The fourth proportional to 36,122.79, 49,854.16 and 20,212.36 is: 27,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.79 : 49,854.16 = 20,212.36 : x
  2. Step 2: Convert to fraction form
    36,122.79/49,854.16 = 20,212.36/x
  3. Step 3: Cross multiply
    36,122.79x = 49,854.16 × 20,212.36
  4. Step 4: Simplify right side
    36,122.79x = 1,007,670,213.42
  5. Step 5: Solve for x
    x = 1,007,670,213.42/36,122.79
  6. Step 6: Final answer
    x = 27,895.70

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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.