Home / 30,778.17-46,150.83-15,972.18

Finding the Fourth Proportional to 30,778.17, 46,150.83 and 15,972.18

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Solution

The fourth proportional to 30,778.17, 46,150.83 and 15,972.18 is: 23,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778.17 : 46,150.83 = 15,972.18 : x
  2. Step 2: Convert to fraction form
    30,778.17/46,150.83 = 15,972.18/x
  3. Step 3: Cross multiply
    30,778.17x = 46,150.83 × 15,972.18
  4. Step 4: Simplify right side
    30,778.17x = 737,129,363.91
  5. Step 5: Solve for x
    x = 737,129,363.91/30,778.17
  6. Step 6: Final answer
    x = 23,949.75

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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.