Home / 30,646.62-42,292.50-17,218.44

Finding the Fourth Proportional to 30,646.62, 42,292.50 and 17,218.44

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Solution

The fourth proportional to 30,646.62, 42,292.50 and 17,218.44 is: 23,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646.62 : 42,292.50 = 17,218.44 : x
  2. Step 2: Convert to fraction form
    30,646.62/42,292.50 = 17,218.44/x
  3. Step 3: Cross multiply
    30,646.62x = 42,292.50 × 17,218.44
  4. Step 4: Simplify right side
    30,646.62x = 728,210,873.70
  5. Step 5: Solve for x
    x = 728,210,873.70/30,646.62
  6. Step 6: Final answer
    x = 23,761.54

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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.