Home / 30,217.52-41,699.60-16,788.20

Finding the Fourth Proportional to 30,217.52, 41,699.60 and 16,788.20

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Solution

The fourth proportional to 30,217.52, 41,699.60 and 16,788.20 is: 23,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.52 : 41,699.60 = 16,788.20 : x
  2. Step 2: Convert to fraction form
    30,217.52/41,699.60 = 16,788.20/x
  3. Step 3: Cross multiply
    30,217.52x = 41,699.60 × 16,788.20
  4. Step 4: Simplify right side
    30,217.52x = 700,061,224.72
  5. Step 5: Solve for x
    x = 700,061,224.72/30,217.52
  6. Step 6: Final answer
    x = 23,167.40

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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.