Home / 37,876.91-52,270.40-21,110.99

Finding the Fourth Proportional to 37,876.91, 52,270.40 and 21,110.99

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Solution

The fourth proportional to 37,876.91, 52,270.40 and 21,110.99 is: 29,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.91 : 52,270.40 = 21,110.99 : x
  2. Step 2: Convert to fraction form
    37,876.91/52,270.40 = 21,110.99/x
  3. Step 3: Cross multiply
    37,876.91x = 52,270.40 × 21,110.99
  4. Step 4: Simplify right side
    37,876.91x = 1,103,479,786.14
  5. Step 5: Solve for x
    x = 1,103,479,786.14/37,876.91
  6. Step 6: Final answer
    x = 29,133.31

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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.