Home / 30,148.50-41,604.94-16,721.82

Finding the Fourth Proportional to 30,148.50, 41,604.94 and 16,721.82

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Solution

The fourth proportional to 30,148.50, 41,604.94 and 16,721.82 is: 23,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.50 : 41,604.94 = 16,721.82 : x
  2. Step 2: Convert to fraction form
    30,148.50/41,604.94 = 16,721.82/x
  3. Step 3: Cross multiply
    30,148.50x = 41,604.94 × 16,721.82
  4. Step 4: Simplify right side
    30,148.50x = 695,710,317.79
  5. Step 5: Solve for x
    x = 695,710,317.79/30,148.50
  6. Step 6: Final answer
    x = 23,076.12

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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.