Home / 30,394.68-41,945.10-17,819.64

Finding the Fourth Proportional to 30,394.68, 41,945.10 and 17,819.64

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Solution

The fourth proportional to 30,394.68, 41,945.10 and 17,819.64 is: 24,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.68 : 41,945.10 = 17,819.64 : x
  2. Step 2: Convert to fraction form
    30,394.68/41,945.10 = 17,819.64/x
  3. Step 3: Cross multiply
    30,394.68x = 41,945.10 × 17,819.64
  4. Step 4: Simplify right side
    30,394.68x = 747,446,581.76
  5. Step 5: Solve for x
    x = 747,446,581.76/30,394.68
  6. Step 6: Final answer
    x = 24,591.36

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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.