Home / 30,542.35-45,806.37-17,221.09

Finding the Fourth Proportional to 30,542.35, 45,806.37 and 17,221.09

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Solution

The fourth proportional to 30,542.35, 45,806.37 and 17,221.09 is: 25,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.35 : 45,806.37 = 17,221.09 : x
  2. Step 2: Convert to fraction form
    30,542.35/45,806.37 = 17,221.09/x
  3. Step 3: Cross multiply
    30,542.35x = 45,806.37 × 17,221.09
  4. Step 4: Simplify right side
    30,542.35x = 788,835,620.34
  5. Step 5: Solve for x
    x = 788,835,620.34/30,542.35
  6. Step 6: Final answer
    x = 25,827.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.