Home / 38,079.70-57,133.21-17,017.98

Finding the Fourth Proportional to 38,079.70, 57,133.21 and 17,017.98

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Solution

The fourth proportional to 38,079.70, 57,133.21 and 17,017.98 is: 25,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.70 : 57,133.21 = 17,017.98 : x
  2. Step 2: Convert to fraction form
    38,079.70/57,133.21 = 17,017.98/x
  3. Step 3: Cross multiply
    38,079.70x = 57,133.21 × 17,017.98
  4. Step 4: Simplify right side
    38,079.70x = 972,291,825.12
  5. Step 5: Solve for x
    x = 972,291,825.12/38,079.70
  6. Step 6: Final answer
    x = 25,533.07

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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.