Home / 32,979.27-45,521.73-21,042.59

Finding the Fourth Proportional to 32,979.27, 45,521.73 and 21,042.59

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Solution

The fourth proportional to 32,979.27, 45,521.73 and 21,042.59 is: 29,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.27 : 45,521.73 = 21,042.59 : x
  2. Step 2: Convert to fraction form
    32,979.27/45,521.73 = 21,042.59/x
  3. Step 3: Cross multiply
    32,979.27x = 45,521.73 × 21,042.59
  4. Step 4: Simplify right side
    32,979.27x = 957,894,793.96
  5. Step 5: Solve for x
    x = 957,894,793.96/32,979.27
  6. Step 6: Final answer
    x = 29,045.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.