Home / 38,246.38-52,788.43-21,256.46

Finding the Fourth Proportional to 38,246.38, 52,788.43 and 21,256.46

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Solution

The fourth proportional to 38,246.38, 52,788.43 and 21,256.46 is: 29,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.38 : 52,788.43 = 21,256.46 : x
  2. Step 2: Convert to fraction form
    38,246.38/52,788.43 = 21,256.46/x
  3. Step 3: Cross multiply
    38,246.38x = 52,788.43 × 21,256.46
  4. Step 4: Simplify right side
    38,246.38x = 1,122,094,886.82
  5. Step 5: Solve for x
    x = 1,122,094,886.82/38,246.38
  6. Step 6: Final answer
    x = 29,338.59

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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.