Home / 30,123.75-41,590.26-19,373.43

Finding the Fourth Proportional to 30,123.75, 41,590.26 and 19,373.43

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Solution

The fourth proportional to 30,123.75, 41,590.26 and 19,373.43 is: 26,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.75 : 41,590.26 = 19,373.43 : x
  2. Step 2: Convert to fraction form
    30,123.75/41,590.26 = 19,373.43/x
  3. Step 3: Cross multiply
    30,123.75x = 41,590.26 × 19,373.43
  4. Step 4: Simplify right side
    30,123.75x = 805,745,990.79
  5. Step 5: Solve for x
    x = 805,745,990.79/30,123.75
  6. Step 6: Final answer
    x = 26,747.86

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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.