Home / 57,713.60-86,561.70-18,265.58

Finding the Fourth Proportional to 57,713.60, 86,561.70 and 18,265.58

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Solution

The fourth proportional to 57,713.60, 86,561.70 and 18,265.58 is: 27,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.60 : 86,561.70 = 18,265.58 : x
  2. Step 2: Convert to fraction form
    57,713.60/86,561.70 = 18,265.58/x
  3. Step 3: Cross multiply
    57,713.60x = 86,561.70 × 18,265.58
  4. Step 4: Simplify right side
    57,713.60x = 1,581,099,656.29
  5. Step 5: Solve for x
    x = 1,581,099,656.29/57,713.60
  6. Step 6: Final answer
    x = 27,395.62

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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.