Home / 30,215.24-45,279.09-17,039.60

Finding the Fourth Proportional to 30,215.24, 45,279.09 and 17,039.60

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Solution

The fourth proportional to 30,215.24, 45,279.09 and 17,039.60 is: 25,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.24 : 45,279.09 = 17,039.60 : x
  2. Step 2: Convert to fraction form
    30,215.24/45,279.09 = 17,039.60/x
  3. Step 3: Cross multiply
    30,215.24x = 45,279.09 × 17,039.60
  4. Step 4: Simplify right side
    30,215.24x = 771,537,355.57
  5. Step 5: Solve for x
    x = 771,537,355.57/30,215.24
  6. Step 6: Final answer
    x = 25,534.71

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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.