Home / 30,841.57-42,556.80-17,412.54

Finding the Fourth Proportional to 30,841.57, 42,556.80 and 17,412.54

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Solution

The fourth proportional to 30,841.57, 42,556.80 and 17,412.54 is: 24,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.57 : 42,556.80 = 17,412.54 : x
  2. Step 2: Convert to fraction form
    30,841.57/42,556.80 = 17,412.54/x
  3. Step 3: Cross multiply
    30,841.57x = 42,556.80 × 17,412.54
  4. Step 4: Simplify right side
    30,841.57x = 741,021,757.39
  5. Step 5: Solve for x
    x = 741,021,757.39/30,841.57
  6. Step 6: Final answer
    x = 24,026.72

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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.