Home / 33,231.90-45,848.54-21,301.80

Finding the Fourth Proportional to 33,231.90, 45,848.54 and 21,301.80

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Solution

The fourth proportional to 33,231.90, 45,848.54 and 21,301.80 is: 29,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.90 : 45,848.54 = 21,301.80 : x
  2. Step 2: Convert to fraction form
    33,231.90/45,848.54 = 21,301.80/x
  3. Step 3: Cross multiply
    33,231.90x = 45,848.54 × 21,301.80
  4. Step 4: Simplify right side
    33,231.90x = 976,656,429.37
  5. Step 5: Solve for x
    x = 976,656,429.37/33,231.90
  6. Step 6: Final answer
    x = 29,389.12

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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.