Home / 38,020.84-57,039.40-11,368.92

Finding the Fourth Proportional to 38,020.84, 57,039.40 and 11,368.92

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Solution

The fourth proportional to 38,020.84, 57,039.40 and 11,368.92 is: 17,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.84 : 57,039.40 = 11,368.92 : x
  2. Step 2: Convert to fraction form
    38,020.84/57,039.40 = 11,368.92/x
  3. Step 3: Cross multiply
    38,020.84x = 57,039.40 × 11,368.92
  4. Step 4: Simplify right side
    38,020.84x = 648,476,375.45
  5. Step 5: Solve for x
    x = 648,476,375.45/38,020.84
  6. Step 6: Final answer
    x = 17,055.81

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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.