Home / 38,831.60-58,245.89-12,537.18

Finding the Fourth Proportional to 38,831.60, 58,245.89 and 12,537.18

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Solution

The fourth proportional to 38,831.60, 58,245.89 and 12,537.18 is: 18,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.60 : 58,245.89 = 12,537.18 : x
  2. Step 2: Convert to fraction form
    38,831.60/58,245.89 = 12,537.18/x
  3. Step 3: Cross multiply
    38,831.60x = 58,245.89 × 12,537.18
  4. Step 4: Simplify right side
    38,831.60x = 730,239,144.50
  5. Step 5: Solve for x
    x = 730,239,144.50/38,831.60
  6. Step 6: Final answer
    x = 18,805.28

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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.