Home / 38,120.02-57,161.50-13,161.49

Finding the Fourth Proportional to 38,120.02, 57,161.50 and 13,161.49

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Solution

The fourth proportional to 38,120.02, 57,161.50 and 13,161.49 is: 19,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.02 : 57,161.50 = 13,161.49 : x
  2. Step 2: Convert to fraction form
    38,120.02/57,161.50 = 13,161.49/x
  3. Step 3: Cross multiply
    38,120.02x = 57,161.50 × 13,161.49
  4. Step 4: Simplify right side
    38,120.02x = 752,330,334.83
  5. Step 5: Solve for x
    x = 752,330,334.83/38,120.02
  6. Step 6: Final answer
    x = 19,735.83

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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.