Home / 30,146.15-41,601.60-16,717.05

Finding the Fourth Proportional to 30,146.15, 41,601.60 and 16,717.05

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Solution

The fourth proportional to 30,146.15, 41,601.60 and 16,717.05 is: 23,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.15 : 41,601.60 = 16,717.05 : x
  2. Step 2: Convert to fraction form
    30,146.15/41,601.60 = 16,717.05/x
  3. Step 3: Cross multiply
    30,146.15x = 41,601.60 × 16,717.05
  4. Step 4: Simplify right side
    30,146.15x = 695,456,027.28
  5. Step 5: Solve for x
    x = 695,456,027.28/30,146.15
  6. Step 6: Final answer
    x = 23,069.48

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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.