Home / 57,941.68-86,911.80-18,498.28

Finding the Fourth Proportional to 57,941.68, 86,911.80 and 18,498.28

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Solution

The fourth proportional to 57,941.68, 86,911.80 and 18,498.28 is: 27,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,941.68 : 86,911.80 = 18,498.28 : x
  2. Step 2: Convert to fraction form
    57,941.68/86,911.80 = 18,498.28/x
  3. Step 3: Cross multiply
    57,941.68x = 86,911.80 × 18,498.28
  4. Step 4: Simplify right side
    57,941.68x = 1,607,718,811.70
  5. Step 5: Solve for x
    x = 1,607,718,811.70/57,941.68
  6. Step 6: Final answer
    x = 27,747.19

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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.