Home / 38,253.35-52,789.64-21,486.35

Finding the Fourth Proportional to 38,253.35, 52,789.64 and 21,486.35

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Solution

The fourth proportional to 38,253.35, 52,789.64 and 21,486.35 is: 29,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.35 : 52,789.64 = 21,486.35 : x
  2. Step 2: Convert to fraction form
    38,253.35/52,789.64 = 21,486.35/x
  3. Step 3: Cross multiply
    38,253.35x = 52,789.64 × 21,486.35
  4. Step 4: Simplify right side
    38,253.35x = 1,134,256,310.03
  5. Step 5: Solve for x
    x = 1,134,256,310.03/38,253.35
  6. Step 6: Final answer
    x = 29,651.17

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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.