Home / 38,831.34-58,232.64-13,864.68

Finding the Fourth Proportional to 38,831.34, 58,232.64 and 13,864.68

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Solution

The fourth proportional to 38,831.34, 58,232.64 and 13,864.68 is: 20,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.34 : 58,232.64 = 13,864.68 : x
  2. Step 2: Convert to fraction form
    38,831.34/58,232.64 = 13,864.68/x
  3. Step 3: Cross multiply
    38,831.34x = 58,232.64 × 13,864.68
  4. Step 4: Simplify right side
    38,831.34x = 807,376,919.16
  5. Step 5: Solve for x
    x = 807,376,919.16/38,831.34
  6. Step 6: Final answer
    x = 20,791.89

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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.