Home / 30,367.98-45,553.36-9,306.50

Finding the Fourth Proportional to 30,367.98, 45,553.36 and 9,306.50

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Solution

The fourth proportional to 30,367.98, 45,553.36 and 9,306.50 is: 13,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.98 : 45,553.36 = 9,306.50 : x
  2. Step 2: Convert to fraction form
    30,367.98/45,553.36 = 9,306.50/x
  3. Step 3: Cross multiply
    30,367.98x = 45,553.36 × 9,306.50
  4. Step 4: Simplify right side
    30,367.98x = 423,942,344.84
  5. Step 5: Solve for x
    x = 423,942,344.84/30,367.98
  6. Step 6: Final answer
    x = 13,960.18

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1.5x scale

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.