Home / 55,766.78-83,585.34-20,684.06

Finding the Fourth Proportional to 55,766.78, 83,585.34 and 20,684.06

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Solution

The fourth proportional to 55,766.78, 83,585.34 and 20,684.06 is: 31,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766.78 : 83,585.34 = 20,684.06 : x
  2. Step 2: Convert to fraction form
    55,766.78/83,585.34 = 20,684.06/x
  3. Step 3: Cross multiply
    55,766.78x = 83,585.34 × 20,684.06
  4. Step 4: Simplify right side
    55,766.78x = 1,728,884,187.68
  5. Step 5: Solve for x
    x = 1,728,884,187.68/55,766.78
  6. Step 6: Final answer
    x = 31,002.04

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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.