Home / 55,722.62-76,877.04-36,612.68

Finding the Fourth Proportional to 55,722.62, 76,877.04 and 36,612.68

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Solution

The fourth proportional to 55,722.62, 76,877.04 and 36,612.68 is: 50,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.62 : 76,877.04 = 36,612.68 : x
  2. Step 2: Convert to fraction form
    55,722.62/76,877.04 = 36,612.68/x
  3. Step 3: Cross multiply
    55,722.62x = 76,877.04 × 36,612.68
  4. Step 4: Simplify right side
    55,722.62x = 2,814,674,657.06
  5. Step 5: Solve for x
    x = 2,814,674,657.06/55,722.62
  6. Step 6: Final answer
    x = 50,512.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.