Home / 54,910.77-82,385.91-21,612.39

Finding the Fourth Proportional to 54,910.77, 82,385.91 and 21,612.39

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Solution

The fourth proportional to 54,910.77, 82,385.91 and 21,612.39 is: 32,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.77 : 82,385.91 = 21,612.39 : x
  2. Step 2: Convert to fraction form
    54,910.77/82,385.91 = 21,612.39/x
  3. Step 3: Cross multiply
    54,910.77x = 82,385.91 × 21,612.39
  4. Step 4: Simplify right side
    54,910.77x = 1,780,556,417.42
  5. Step 5: Solve for x
    x = 1,780,556,417.42/54,910.77
  6. Step 6: Final answer
    x = 32,426.36

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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.