Home / 55,951.31-83,926.14-13,831.40

Finding the Fourth Proportional to 55,951.31, 83,926.14 and 13,831.40

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Solution

The fourth proportional to 55,951.31, 83,926.14 and 13,831.40 is: 20,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.31 : 83,926.14 = 13,831.40 : x
  2. Step 2: Convert to fraction form
    55,951.31/83,926.14 = 13,831.40/x
  3. Step 3: Cross multiply
    55,951.31x = 83,926.14 × 13,831.40
  4. Step 4: Simplify right side
    55,951.31x = 1,160,816,012.80
  5. Step 5: Solve for x
    x = 1,160,816,012.80/55,951.31
  6. Step 6: Final answer
    x = 20,746.90

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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.