Home / 54,746.26-82,119.39-19,666.78

Finding the Fourth Proportional to 54,746.26, 82,119.39 and 19,666.78

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Solution

The fourth proportional to 54,746.26, 82,119.39 and 19,666.78 is: 29,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,746.26 : 82,119.39 = 19,666.78 : x
  2. Step 2: Convert to fraction form
    54,746.26/82,119.39 = 19,666.78/x
  3. Step 3: Cross multiply
    54,746.26x = 82,119.39 × 19,666.78
  4. Step 4: Simplify right side
    54,746.26x = 1,615,023,976.86
  5. Step 5: Solve for x
    x = 1,615,023,976.86/54,746.26
  6. Step 6: Final answer
    x = 29,500.17

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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.