Home / 30,153.25-45,162.91-16,976.17

Finding the Fourth Proportional to 30,153.25, 45,162.91 and 16,976.17

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Solution

The fourth proportional to 30,153.25, 45,162.91 and 16,976.17 is: 25,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.25 : 45,162.91 = 16,976.17 : x
  2. Step 2: Convert to fraction form
    30,153.25/45,162.91 = 16,976.17/x
  3. Step 3: Cross multiply
    30,153.25x = 45,162.91 × 16,976.17
  4. Step 4: Simplify right side
    30,153.25x = 766,693,237.85
  5. Step 5: Solve for x
    x = 766,693,237.85/30,153.25
  6. Step 6: Final answer
    x = 25,426.55

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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.