Home / 38,831.12-58,205.16-20,092.28

Finding the Fourth Proportional to 38,831.12, 58,205.16 and 20,092.28

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Solution

The fourth proportional to 38,831.12, 58,205.16 and 20,092.28 is: 30,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.12 : 58,205.16 = 20,092.28 : x
  2. Step 2: Convert to fraction form
    38,831.12/58,205.16 = 20,092.28/x
  3. Step 3: Cross multiply
    38,831.12x = 58,205.16 × 20,092.28
  4. Step 4: Simplify right side
    38,831.12x = 1,169,474,372.16
  5. Step 5: Solve for x
    x = 1,169,474,372.16/38,831.12
  6. Step 6: Final answer
    x = 30,116.94

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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.