Home / 36,011.25-49,695.53-19,878.56

Finding the Fourth Proportional to 36,011.25, 49,695.53 and 19,878.56

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Solution

The fourth proportional to 36,011.25, 49,695.53 and 19,878.56 is: 27,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,011.25 : 49,695.53 = 19,878.56 : x
  2. Step 2: Convert to fraction form
    36,011.25/49,695.53 = 19,878.56/x
  3. Step 3: Cross multiply
    36,011.25x = 49,695.53 × 19,878.56
  4. Step 4: Simplify right side
    36,011.25x = 987,875,226.97
  5. Step 5: Solve for x
    x = 987,875,226.97/36,011.25
  6. Step 6: Final answer
    x = 27,432.41

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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.