Home / 38,449.83-53,060.91-21,454.79

Finding the Fourth Proportional to 38,449.83, 53,060.91 and 21,454.79

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Solution

The fourth proportional to 38,449.83, 53,060.91 and 21,454.79 is: 29,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,449.83 : 53,060.91 = 21,454.79 : x
  2. Step 2: Convert to fraction form
    38,449.83/53,060.91 = 21,454.79/x
  3. Step 3: Cross multiply
    38,449.83x = 53,060.91 × 21,454.79
  4. Step 4: Simplify right side
    38,449.83x = 1,138,410,308.68
  5. Step 5: Solve for x
    x = 1,138,410,308.68/38,449.83
  6. Step 6: Final answer
    x = 29,607.69

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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.