Home / 57,701.10-86,590.44-20,261.46

Finding the Fourth Proportional to 57,701.10, 86,590.44 and 20,261.46

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Solution

The fourth proportional to 57,701.10, 86,590.44 and 20,261.46 is: 30,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.10 : 86,590.44 = 20,261.46 : x
  2. Step 2: Convert to fraction form
    57,701.10/86,590.44 = 20,261.46/x
  3. Step 3: Cross multiply
    57,701.10x = 86,590.44 × 20,261.46
  4. Step 4: Simplify right side
    57,701.10x = 1,754,448,736.44
  5. Step 5: Solve for x
    x = 1,754,448,736.44/57,701.10
  6. Step 6: Final answer
    x = 30,405.81

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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.