Home / 30,760.36-42,451.29-17,149.93

Finding the Fourth Proportional to 30,760.36, 42,451.29 and 17,149.93

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Solution

The fourth proportional to 30,760.36, 42,451.29 and 17,149.93 is: 23,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.36 : 42,451.29 = 17,149.93 : x
  2. Step 2: Convert to fraction form
    30,760.36/42,451.29 = 17,149.93/x
  3. Step 3: Cross multiply
    30,760.36x = 42,451.29 × 17,149.93
  4. Step 4: Simplify right side
    30,760.36x = 728,036,545.78
  5. Step 5: Solve for x
    x = 728,036,545.78/30,760.36
  6. Step 6: Final answer
    x = 23,668.01

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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.