Home / 33,990.32-50,985.48-13,218.68

Finding the Fourth Proportional to 33,990.32, 50,985.48 and 13,218.68

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Solution

The fourth proportional to 33,990.32, 50,985.48 and 13,218.68 is: 19,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.32 : 50,985.48 = 13,218.68 : x
  2. Step 2: Convert to fraction form
    33,990.32/50,985.48 = 13,218.68/x
  3. Step 3: Cross multiply
    33,990.32x = 50,985.48 × 13,218.68
  4. Step 4: Simplify right side
    33,990.32x = 673,960,744.77
  5. Step 5: Solve for x
    x = 673,960,744.77/33,990.32
  6. Step 6: Final answer
    x = 19,828.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.