Home / 45,080.91-67,594.37-21,394.35

Finding the Fourth Proportional to 45,080.91, 67,594.37 and 21,394.35

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Solution

The fourth proportional to 45,080.91, 67,594.37 and 21,394.35 is: 32,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,080.91 : 67,594.37 = 21,394.35 : x
  2. Step 2: Convert to fraction form
    45,080.91/67,594.37 = 21,394.35/x
  3. Step 3: Cross multiply
    45,080.91x = 67,594.37 × 21,394.35
  4. Step 4: Simplify right side
    45,080.91x = 1,446,137,502.84
  5. Step 5: Solve for x
    x = 1,446,137,502.84/45,080.91
  6. Step 6: Final answer
    x = 32,078.71

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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.