Home / 30,217.05-41,698.80-16,787.66

Finding the Fourth Proportional to 30,217.05, 41,698.80 and 16,787.66

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Solution

The fourth proportional to 30,217.05, 41,698.80 and 16,787.66 is: 23,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.05 : 41,698.80 = 16,787.66 : x
  2. Step 2: Convert to fraction form
    30,217.05/41,698.80 = 16,787.66/x
  3. Step 3: Cross multiply
    30,217.05x = 41,698.80 × 16,787.66
  4. Step 4: Simplify right side
    30,217.05x = 700,025,068.31
  5. Step 5: Solve for x
    x = 700,025,068.31/30,217.05
  6. Step 6: Final answer
    x = 23,166.56

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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.