Home / 38,078.08-57,120.95-13,114.84

Finding the Fourth Proportional to 38,078.08, 57,120.95 and 13,114.84

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Solution

The fourth proportional to 38,078.08, 57,120.95 and 13,114.84 is: 19,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.08 : 57,120.95 = 13,114.84 : x
  2. Step 2: Convert to fraction form
    38,078.08/57,120.95 = 13,114.84/x
  3. Step 3: Cross multiply
    38,078.08x = 57,120.95 × 13,114.84
  4. Step 4: Simplify right side
    38,078.08x = 749,132,119.90
  5. Step 5: Solve for x
    x = 749,132,119.90/38,078.08
  6. Step 6: Final answer
    x = 19,673.58

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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.