Home / 30,135.78-41,585.62-16,706.18

Finding the Fourth Proportional to 30,135.78, 41,585.62 and 16,706.18

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Solution

The fourth proportional to 30,135.78, 41,585.62 and 16,706.18 is: 23,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.78 : 41,585.62 = 16,706.18 : x
  2. Step 2: Convert to fraction form
    30,135.78/41,585.62 = 16,706.18/x
  3. Step 3: Cross multiply
    30,135.78x = 41,585.62 × 16,706.18
  4. Step 4: Simplify right side
    30,135.78x = 694,736,853.13
  5. Step 5: Solve for x
    x = 694,736,853.13/30,135.78
  6. Step 6: Final answer
    x = 23,053.55

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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.