Home / 55,516.71-76,611.15-31,651.07

Finding the Fourth Proportional to 55,516.71, 76,611.15 and 31,651.07

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Solution

The fourth proportional to 55,516.71, 76,611.15 and 31,651.07 is: 43,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,516.71 : 76,611.15 = 31,651.07 : x
  2. Step 2: Convert to fraction form
    55,516.71/76,611.15 = 31,651.07/x
  3. Step 3: Cross multiply
    55,516.71x = 76,611.15 × 31,651.07
  4. Step 4: Simplify right side
    55,516.71x = 2,424,824,871.43
  5. Step 5: Solve for x
    x = 2,424,824,871.43/55,516.71
  6. Step 6: Final answer
    x = 43,677.39

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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.