Home / 30,508.48-45,758.36-11,797.31

Finding the Fourth Proportional to 30,508.48, 45,758.36 and 11,797.31

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Solution

The fourth proportional to 30,508.48, 45,758.36 and 11,797.31 is: 17,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.48 : 45,758.36 = 11,797.31 : x
  2. Step 2: Convert to fraction form
    30,508.48/45,758.36 = 11,797.31/x
  3. Step 3: Cross multiply
    30,508.48x = 45,758.36 × 11,797.31
  4. Step 4: Simplify right side
    30,508.48x = 539,825,329.22
  5. Step 5: Solve for x
    x = 539,825,329.22/30,508.48
  6. Step 6: Final answer
    x = 17,694.27

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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.