Home / 38,677.62-53,371.50-21,910.62

Finding the Fourth Proportional to 38,677.62, 53,371.50 and 21,910.62

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Solution

The fourth proportional to 38,677.62, 53,371.50 and 21,910.62 is: 30,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677.62 : 53,371.50 = 21,910.62 : x
  2. Step 2: Convert to fraction form
    38,677.62/53,371.50 = 21,910.62/x
  3. Step 3: Cross multiply
    38,677.62x = 53,371.50 × 21,910.62
  4. Step 4: Simplify right side
    38,677.62x = 1,169,402,655.33
  5. Step 5: Solve for x
    x = 1,169,402,655.33/38,677.62
  6. Step 6: Final answer
    x = 30,234.61

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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.