Home / 33,348.52-45,975.92-21,391.10

Finding the Fourth Proportional to 33,348.52, 45,975.92 and 21,391.10

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Solution

The fourth proportional to 33,348.52, 45,975.92 and 21,391.10 is: 29,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,348.52 : 45,975.92 = 21,391.10 : x
  2. Step 2: Convert to fraction form
    33,348.52/45,975.92 = 21,391.10/x
  3. Step 3: Cross multiply
    33,348.52x = 45,975.92 × 21,391.10
  4. Step 4: Simplify right side
    33,348.52x = 983,475,502.31
  5. Step 5: Solve for x
    x = 983,475,502.31/33,348.52
  6. Step 6: Final answer
    x = 29,490.83

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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.