Home / 39,020.43-58,508.30-11,995.74

Finding the Fourth Proportional to 39,020.43, 58,508.30 and 11,995.74

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Solution

The fourth proportional to 39,020.43, 58,508.30 and 11,995.74 is: 17,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.43 : 58,508.30 = 11,995.74 : x
  2. Step 2: Convert to fraction form
    39,020.43/58,508.30 = 11,995.74/x
  3. Step 3: Cross multiply
    39,020.43x = 58,508.30 × 11,995.74
  4. Step 4: Simplify right side
    39,020.43x = 701,850,294.66
  5. Step 5: Solve for x
    x = 701,850,294.66/39,020.43
  6. Step 6: Final answer
    x = 17,986.74

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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.