Home / 38,557.72-57,831.54-12,262.60

Finding the Fourth Proportional to 38,557.72, 57,831.54 and 12,262.60

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Solution

The fourth proportional to 38,557.72, 57,831.54 and 12,262.60 is: 18,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.72 : 57,831.54 = 12,262.60 : x
  2. Step 2: Convert to fraction form
    38,557.72/57,831.54 = 12,262.60/x
  3. Step 3: Cross multiply
    38,557.72x = 57,831.54 × 12,262.60
  4. Step 4: Simplify right side
    38,557.72x = 709,165,042.40
  5. Step 5: Solve for x
    x = 709,165,042.40/38,557.72
  6. Step 6: Final answer
    x = 18,392.30

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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.