Home / 33,248.51-45,876.26-21,153.79

Finding the Fourth Proportional to 33,248.51, 45,876.26 and 21,153.79

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Solution

The fourth proportional to 33,248.51, 45,876.26 and 21,153.79 is: 29,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,248.51 : 45,876.26 = 21,153.79 : x
  2. Step 2: Convert to fraction form
    33,248.51/45,876.26 = 21,153.79/x
  3. Step 3: Cross multiply
    33,248.51x = 45,876.26 × 21,153.79
  4. Step 4: Simplify right side
    33,248.51x = 970,456,761.27
  5. Step 5: Solve for x
    x = 970,456,761.27/33,248.51
  6. Step 6: Final answer
    x = 29,187.98

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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.