Home / 53,999.10-80,974.35-20,708.10

Finding the Fourth Proportional to 53,999.10, 80,974.35 and 20,708.10

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Solution

The fourth proportional to 53,999.10, 80,974.35 and 20,708.10 is: 31,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.10 : 80,974.35 = 20,708.10 : x
  2. Step 2: Convert to fraction form
    53,999.10/80,974.35 = 20,708.10/x
  3. Step 3: Cross multiply
    53,999.10x = 80,974.35 × 20,708.10
  4. Step 4: Simplify right side
    53,999.10x = 1,676,824,937.24
  5. Step 5: Solve for x
    x = 1,676,824,937.24/53,999.10
  6. Step 6: Final answer
    x = 31,052.83

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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.