Home / 35,727.85-49,302.03-19,811.71

Finding the Fourth Proportional to 35,727.85, 49,302.03 and 19,811.71

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Solution

The fourth proportional to 35,727.85, 49,302.03 and 19,811.71 is: 27,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.85 : 49,302.03 = 19,811.71 : x
  2. Step 2: Convert to fraction form
    35,727.85/49,302.03 = 19,811.71/x
  3. Step 3: Cross multiply
    35,727.85x = 49,302.03 × 19,811.71
  4. Step 4: Simplify right side
    35,727.85x = 976,757,520.77
  5. Step 5: Solve for x
    x = 976,757,520.77/35,727.85
  6. Step 6: Final answer
    x = 27,338.83

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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.