Home / 38,831.32-58,232.20-13,866.72

Finding the Fourth Proportional to 38,831.32, 58,232.20 and 13,866.72

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Solution

The fourth proportional to 38,831.32, 58,232.20 and 13,866.72 is: 20,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.32 : 58,232.20 = 13,866.72 : x
  2. Step 2: Convert to fraction form
    38,831.32/58,232.20 = 13,866.72/x
  3. Step 3: Cross multiply
    38,831.32x = 58,232.20 × 13,866.72
  4. Step 4: Simplify right side
    38,831.32x = 807,489,612.38
  5. Step 5: Solve for x
    x = 807,489,612.38/38,831.32
  6. Step 6: Final answer
    x = 20,794.80

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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.