Home / 36,138.48-54,206.64-17,419.92

Finding the Fourth Proportional to 36,138.48, 54,206.64 and 17,419.92

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Solution

The fourth proportional to 36,138.48, 54,206.64 and 17,419.92 is: 26,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.48 : 54,206.64 = 17,419.92 : x
  2. Step 2: Convert to fraction form
    36,138.48/54,206.64 = 17,419.92/x
  3. Step 3: Cross multiply
    36,138.48x = 54,206.64 × 17,419.92
  4. Step 4: Simplify right side
    36,138.48x = 944,275,332.27
  5. Step 5: Solve for x
    x = 944,275,332.27/36,138.48
  6. Step 6: Final answer
    x = 26,129.36

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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.