Home / 40,136.31-55,435.29-32,097.87

Finding the Fourth Proportional to 40,136.31, 55,435.29 and 32,097.87

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Solution

The fourth proportional to 40,136.31, 55,435.29 and 32,097.87 is: 44,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.31 : 55,435.29 = 32,097.87 : x
  2. Step 2: Convert to fraction form
    40,136.31/55,435.29 = 32,097.87/x
  3. Step 3: Cross multiply
    40,136.31x = 55,435.29 × 32,097.87
  4. Step 4: Simplify right side
    40,136.31x = 1,779,354,611.47
  5. Step 5: Solve for x
    x = 1,779,354,611.47/40,136.31
  6. Step 6: Final answer
    x = 44,332.79

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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.