Home / 57,838.42-86,756.43-18,395.62

Finding the Fourth Proportional to 57,838.42, 86,756.43 and 18,395.62

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Solution

The fourth proportional to 57,838.42, 86,756.43 and 18,395.62 is: 27,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.42 : 86,756.43 = 18,395.62 : x
  2. Step 2: Convert to fraction form
    57,838.42/86,756.43 = 18,395.62/x
  3. Step 3: Cross multiply
    57,838.42x = 86,756.43 × 18,395.62
  4. Step 4: Simplify right side
    57,838.42x = 1,595,938,318.84
  5. Step 5: Solve for x
    x = 1,595,938,318.84/57,838.42
  6. Step 6: Final answer
    x = 27,593.05

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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.