Home / 38,734.74-53,449.54-21,735.47

Finding the Fourth Proportional to 38,734.74, 53,449.54 and 21,735.47

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Solution

The fourth proportional to 38,734.74, 53,449.54 and 21,735.47 is: 29,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.74 : 53,449.54 = 21,735.47 : x
  2. Step 2: Convert to fraction form
    38,734.74/53,449.54 = 21,735.47/x
  3. Step 3: Cross multiply
    38,734.74x = 53,449.54 × 21,735.47
  4. Step 4: Simplify right side
    38,734.74x = 1,161,750,952.47
  5. Step 5: Solve for x
    x = 1,161,750,952.47/38,734.74
  6. Step 6: Final answer
    x = 29,992.48

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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.