Home / 38,076.84-57,138.96-18,357.42

Finding the Fourth Proportional to 38,076.84, 57,138.96 and 18,357.42

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Solution

The fourth proportional to 38,076.84, 57,138.96 and 18,357.42 is: 27,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.84 : 57,138.96 = 18,357.42 : x
  2. Step 2: Convert to fraction form
    38,076.84/57,138.96 = 18,357.42/x
  3. Step 3: Cross multiply
    38,076.84x = 57,138.96 × 18,357.42
  4. Step 4: Simplify right side
    38,076.84x = 1,048,923,887.08
  5. Step 5: Solve for x
    x = 1,048,923,887.08/38,076.84
  6. Step 6: Final answer
    x = 27,547.56

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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.