Home / 20,032.14-30,045.92-5,242.49

Finding the Fourth Proportional to 20,032.14, 30,045.92 and 5,242.49

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Solution

The fourth proportional to 20,032.14, 30,045.92 and 5,242.49 is: 7,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.14 : 30,045.92 = 5,242.49 : x
  2. Step 2: Convert to fraction form
    20,032.14/30,045.92 = 5,242.49/x
  3. Step 3: Cross multiply
    20,032.14x = 30,045.92 × 5,242.49
  4. Step 4: Simplify right side
    20,032.14x = 157,515,258.70
  5. Step 5: Solve for x
    x = 157,515,258.70/20,032.14
  6. Step 6: Final answer
    x = 7,863.13

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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.