Home / 30,016.78-41,426.36-17,270.52

Finding the Fourth Proportional to 30,016.78, 41,426.36 and 17,270.52

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Solution

The fourth proportional to 30,016.78, 41,426.36 and 17,270.52 is: 23,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.78 : 41,426.36 = 17,270.52 : x
  2. Step 2: Convert to fraction form
    30,016.78/41,426.36 = 17,270.52/x
  3. Step 3: Cross multiply
    30,016.78x = 41,426.36 × 17,270.52
  4. Step 4: Simplify right side
    30,016.78x = 715,454,778.91
  5. Step 5: Solve for x
    x = 715,454,778.91/30,016.78
  6. Step 6: Final answer
    x = 23,835.16

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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.