Home / 55,357.88-82,981.30-28,688.93

Finding the Fourth Proportional to 55,357.88, 82,981.30 and 28,688.93

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Solution

The fourth proportional to 55,357.88, 82,981.30 and 28,688.93 is: 43,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357.88 : 82,981.30 = 28,688.93 : x
  2. Step 2: Convert to fraction form
    55,357.88/82,981.30 = 28,688.93/x
  3. Step 3: Cross multiply
    55,357.88x = 82,981.30 × 28,688.93
  4. Step 4: Simplify right side
    55,357.88x = 2,380,644,531.56
  5. Step 5: Solve for x
    x = 2,380,644,531.56/55,357.88
  6. Step 6: Final answer
    x = 43,004.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.