Home / 38,538.66-57,772.96-14,831.08

Finding the Fourth Proportional to 38,538.66, 57,772.96 and 14,831.08

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Solution

The fourth proportional to 38,538.66, 57,772.96 and 14,831.08 is: 22,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.66 : 57,772.96 = 14,831.08 : x
  2. Step 2: Convert to fraction form
    38,538.66/57,772.96 = 14,831.08/x
  3. Step 3: Cross multiply
    38,538.66x = 57,772.96 × 14,831.08
  4. Step 4: Simplify right side
    38,538.66x = 856,835,391.60
  5. Step 5: Solve for x
    x = 856,835,391.60/38,538.66
  6. Step 6: Final answer
    x = 22,233.14

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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.