Home / 30,381.14-45,600.90-14,809.70

Finding the Fourth Proportional to 30,381.14, 45,600.90 and 14,809.70

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Solution

The fourth proportional to 30,381.14, 45,600.90 and 14,809.70 is: 22,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.14 : 45,600.90 = 14,809.70 : x
  2. Step 2: Convert to fraction form
    30,381.14/45,600.90 = 14,809.70/x
  3. Step 3: Cross multiply
    30,381.14x = 45,600.90 × 14,809.70
  4. Step 4: Simplify right side
    30,381.14x = 675,335,648.73
  5. Step 5: Solve for x
    x = 675,335,648.73/30,381.14
  6. Step 6: Final answer
    x = 22,228.78

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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.