Home / 38,200.74-57,301.12-11,907.60

Finding the Fourth Proportional to 38,200.74, 57,301.12 and 11,907.60

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Solution

The fourth proportional to 38,200.74, 57,301.12 and 11,907.60 is: 17,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.74 : 57,301.12 = 11,907.60 : x
  2. Step 2: Convert to fraction form
    38,200.74/57,301.12 = 11,907.60/x
  3. Step 3: Cross multiply
    38,200.74x = 57,301.12 × 11,907.60
  4. Step 4: Simplify right side
    38,200.74x = 682,318,816.51
  5. Step 5: Solve for x
    x = 682,318,816.51/38,200.74
  6. Step 6: Final answer
    x = 17,861.40

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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.