Home / 55,831.03-83,759.50-18,389.76

Finding the Fourth Proportional to 55,831.03, 83,759.50 and 18,389.76

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Solution

The fourth proportional to 55,831.03, 83,759.50 and 18,389.76 is: 27,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.03 : 83,759.50 = 18,389.76 : x
  2. Step 2: Convert to fraction form
    55,831.03/83,759.50 = 18,389.76/x
  3. Step 3: Cross multiply
    55,831.03x = 83,759.50 × 18,389.76
  4. Step 4: Simplify right side
    55,831.03x = 1,540,317,056.75
  5. Step 5: Solve for x
    x = 1,540,317,056.75/55,831.03
  6. Step 6: Final answer
    x = 27,588.91

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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.