Home / 38,450.67-53,062.06-21,454.61

Finding the Fourth Proportional to 38,450.67, 53,062.06 and 21,454.61

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Solution

The fourth proportional to 38,450.67, 53,062.06 and 21,454.61 is: 29,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.67 : 53,062.06 = 21,454.61 : x
  2. Step 2: Convert to fraction form
    38,450.67/53,062.06 = 21,454.61/x
  3. Step 3: Cross multiply
    38,450.67x = 53,062.06 × 21,454.61
  4. Step 4: Simplify right side
    38,450.67x = 1,138,425,736.77
  5. Step 5: Solve for x
    x = 1,138,425,736.77/38,450.67
  6. Step 6: Final answer
    x = 29,607.43

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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.