Home / 33,337.89-45,932.45-21,987.36

Finding the Fourth Proportional to 33,337.89, 45,932.45 and 21,987.36

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Solution

The fourth proportional to 33,337.89, 45,932.45 and 21,987.36 is: 30,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,337.89 : 45,932.45 = 21,987.36 : x
  2. Step 2: Convert to fraction form
    33,337.89/45,932.45 = 21,987.36/x
  3. Step 3: Cross multiply
    33,337.89x = 45,932.45 × 21,987.36
  4. Step 4: Simplify right side
    33,337.89x = 1,009,933,203.90
  5. Step 5: Solve for x
    x = 1,009,933,203.90/33,337.89
  6. Step 6: Final answer
    x = 30,293.85

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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.