Home / 30,668.09-42,325.43-17,057.48

Finding the Fourth Proportional to 30,668.09, 42,325.43 and 17,057.48

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Solution

The fourth proportional to 30,668.09, 42,325.43 and 17,057.48 is: 23,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.09 : 42,325.43 = 17,057.48 : x
  2. Step 2: Convert to fraction form
    30,668.09/42,325.43 = 17,057.48/x
  3. Step 3: Cross multiply
    30,668.09x = 42,325.43 × 17,057.48
  4. Step 4: Simplify right side
    30,668.09x = 721,964,878.80
  5. Step 5: Solve for x
    x = 721,964,878.80/30,668.09
  6. Step 6: Final answer
    x = 23,541.24

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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.