Home / 55,394.88-76,452.18-31,516.92

Finding the Fourth Proportional to 55,394.88, 76,452.18 and 31,516.92

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Solution

The fourth proportional to 55,394.88, 76,452.18 and 31,516.92 is: 43,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.88 : 76,452.18 = 31,516.92 : x
  2. Step 2: Convert to fraction form
    55,394.88/76,452.18 = 31,516.92/x
  3. Step 3: Cross multiply
    55,394.88x = 76,452.18 × 31,516.92
  4. Step 4: Simplify right side
    55,394.88x = 2,409,537,240.89
  5. Step 5: Solve for x
    x = 2,409,537,240.89/55,394.88
  6. Step 6: Final answer
    x = 43,497.47

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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.