Home / 55,786.86-83,680.35-39,220.98

Finding the Fourth Proportional to 55,786.86, 83,680.35 and 39,220.98

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Solution

The fourth proportional to 55,786.86, 83,680.35 and 39,220.98 is: 58,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.86 : 83,680.35 = 39,220.98 : x
  2. Step 2: Convert to fraction form
    55,786.86/83,680.35 = 39,220.98/x
  3. Step 3: Cross multiply
    55,786.86x = 83,680.35 × 39,220.98
  4. Step 4: Simplify right side
    55,786.86x = 3,282,025,333.74
  5. Step 5: Solve for x
    x = 3,282,025,333.74/55,786.86
  6. Step 6: Final answer
    x = 58,831.51

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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.