Home / 33,089.40-49,643.36-13,381.79

Finding the Fourth Proportional to 33,089.40, 49,643.36 and 13,381.79

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Solution

The fourth proportional to 33,089.40, 49,643.36 and 13,381.79 is: 20,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.40 : 49,643.36 = 13,381.79 : x
  2. Step 2: Convert to fraction form
    33,089.40/49,643.36 = 13,381.79/x
  3. Step 3: Cross multiply
    33,089.40x = 49,643.36 × 13,381.79
  4. Step 4: Simplify right side
    33,089.40x = 664,316,703.29
  5. Step 5: Solve for x
    x = 664,316,703.29/33,089.40
  6. Step 6: Final answer
    x = 20,076.42

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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.