Home / 55,570.25-76,687.56-31,698.34

Finding the Fourth Proportional to 55,570.25, 76,687.56 and 31,698.34

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Solution

The fourth proportional to 55,570.25, 76,687.56 and 31,698.34 is: 43,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.25 : 76,687.56 = 31,698.34 : x
  2. Step 2: Convert to fraction form
    55,570.25/76,687.56 = 31,698.34/x
  3. Step 3: Cross multiply
    55,570.25x = 76,687.56 × 31,698.34
  4. Step 4: Simplify right side
    55,570.25x = 2,430,868,158.93
  5. Step 5: Solve for x
    x = 2,430,868,158.93/55,570.25
  6. Step 6: Final answer
    x = 43,744.05

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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.