Home / 38,402.83-52,993.87-21,634.75

Finding the Fourth Proportional to 38,402.83, 52,993.87 and 21,634.75

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Solution

The fourth proportional to 38,402.83, 52,993.87 and 21,634.75 is: 29,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.83 : 52,993.87 = 21,634.75 : x
  2. Step 2: Convert to fraction form
    38,402.83/52,993.87 = 21,634.75/x
  3. Step 3: Cross multiply
    38,402.83x = 52,993.87 × 21,634.75
  4. Step 4: Simplify right side
    38,402.83x = 1,146,509,128.98
  5. Step 5: Solve for x
    x = 1,146,509,128.98/38,402.83
  6. Step 6: Final answer
    x = 29,854.81

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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.