Home / 30,155.80-41,613.42-16,726

Finding the Fourth Proportional to 30,155.80, 41,613.42 and 16,726

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Solution

The fourth proportional to 30,155.80, 41,613.42 and 16,726 is: 23,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.80 : 41,613.42 = 16,726 : x
  2. Step 2: Convert to fraction form
    30,155.80/41,613.42 = 16,726/x
  3. Step 3: Cross multiply
    30,155.80x = 41,613.42 × 16,726
  4. Step 4: Simplify right side
    30,155.80x = 696,026,062.92
  5. Step 5: Solve for x
    x = 696,026,062.92/30,155.80
  6. Step 6: Final answer
    x = 23,081.00

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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.