Home / 55,516.36-76,499.22-39,566.92

Finding the Fourth Proportional to 55,516.36, 76,499.22 and 39,566.92

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Solution

The fourth proportional to 55,516.36, 76,499.22 and 39,566.92 is: 54,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,516.36 : 76,499.22 = 39,566.92 : x
  2. Step 2: Convert to fraction form
    55,516.36/76,499.22 = 39,566.92/x
  3. Step 3: Cross multiply
    55,516.36x = 76,499.22 × 39,566.92
  4. Step 4: Simplify right side
    55,516.36x = 3,026,838,517.80
  5. Step 5: Solve for x
    x = 3,026,838,517.80/55,516.36
  6. Step 6: Final answer
    x = 54,521.56

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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.