Home / 30,650.23-42,292.73-17,218.93

Finding the Fourth Proportional to 30,650.23, 42,292.73 and 17,218.93

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Solution

The fourth proportional to 30,650.23, 42,292.73 and 17,218.93 is: 23,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650.23 : 42,292.73 = 17,218.93 : x
  2. Step 2: Convert to fraction form
    30,650.23/42,292.73 = 17,218.93/x
  3. Step 3: Cross multiply
    30,650.23x = 42,292.73 × 17,218.93
  4. Step 4: Simplify right side
    30,650.23x = 728,235,494.69
  5. Step 5: Solve for x
    x = 728,235,494.69/30,650.23
  6. Step 6: Final answer
    x = 23,759.55

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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.