Home / 30,201.90-41,678.65-16,773.18

Finding the Fourth Proportional to 30,201.90, 41,678.65 and 16,773.18

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Solution

The fourth proportional to 30,201.90, 41,678.65 and 16,773.18 is: 23,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.90 : 41,678.65 = 16,773.18 : x
  2. Step 2: Convert to fraction form
    30,201.90/41,678.65 = 16,773.18/x
  3. Step 3: Cross multiply
    30,201.90x = 41,678.65 × 16,773.18
  4. Step 4: Simplify right side
    30,201.90x = 699,083,498.61
  5. Step 5: Solve for x
    x = 699,083,498.61/30,201.90
  6. Step 6: Final answer
    x = 23,147.00

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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.