Home / 30,150.29-41,608.35-16,722.78

Finding the Fourth Proportional to 30,150.29, 41,608.35 and 16,722.78

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Solution

The fourth proportional to 30,150.29, 41,608.35 and 16,722.78 is: 23,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.29 : 41,608.35 = 16,722.78 : x
  2. Step 2: Convert to fraction form
    30,150.29/41,608.35 = 16,722.78/x
  3. Step 3: Cross multiply
    30,150.29x = 41,608.35 × 16,722.78
  4. Step 4: Simplify right side
    30,150.29x = 695,807,283.21
  5. Step 5: Solve for x
    x = 695,807,283.21/30,150.29
  6. Step 6: Final answer
    x = 23,077.97

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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.