Home / 55,450.76-76,521.95-31,577.42

Finding the Fourth Proportional to 55,450.76, 76,521.95 and 31,577.42

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Solution

The fourth proportional to 55,450.76, 76,521.95 and 31,577.42 is: 43,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.76 : 76,521.95 = 31,577.42 : x
  2. Step 2: Convert to fraction form
    55,450.76/76,521.95 = 31,577.42/x
  3. Step 3: Cross multiply
    55,450.76x = 76,521.95 × 31,577.42
  4. Step 4: Simplify right side
    55,450.76x = 2,416,365,906.20
  5. Step 5: Solve for x
    x = 2,416,365,906.20/55,450.76
  6. Step 6: Final answer
    x = 43,576.79

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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.