Home / 55,695.21-76,852.31-31,823.43

Finding the Fourth Proportional to 55,695.21, 76,852.31 and 31,823.43

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Solution

The fourth proportional to 55,695.21, 76,852.31 and 31,823.43 is: 43,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.21 : 76,852.31 = 31,823.43 : x
  2. Step 2: Convert to fraction form
    55,695.21/76,852.31 = 31,823.43/x
  3. Step 3: Cross multiply
    55,695.21x = 76,852.31 × 31,823.43
  4. Step 4: Simplify right side
    55,695.21x = 2,445,704,107.62
  5. Step 5: Solve for x
    x = 2,445,704,107.62/55,695.21
  6. Step 6: Final answer
    x = 43,912.29

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1.5x scale

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.