Home / 57,562.29-86,339.22-18,130.68

Finding the Fourth Proportional to 57,562.29, 86,339.22 and 18,130.68

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Solution

The fourth proportional to 57,562.29, 86,339.22 and 18,130.68 is: 27,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,562.29 : 86,339.22 = 18,130.68 : x
  2. Step 2: Convert to fraction form
    57,562.29/86,339.22 = 18,130.68/x
  3. Step 3: Cross multiply
    57,562.29x = 86,339.22 × 18,130.68
  4. Step 4: Simplify right side
    57,562.29x = 1,565,388,769.27
  5. Step 5: Solve for x
    x = 1,565,388,769.27/57,562.29
  6. Step 6: Final answer
    x = 27,194.69

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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.