Home / 55,938.13-83,887.22-18,491.29

Finding the Fourth Proportional to 55,938.13, 83,887.22 and 18,491.29

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Solution

The fourth proportional to 55,938.13, 83,887.22 and 18,491.29 is: 27,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,938.13 : 83,887.22 = 18,491.29 : x
  2. Step 2: Convert to fraction form
    55,938.13/83,887.22 = 18,491.29/x
  3. Step 3: Cross multiply
    55,938.13x = 83,887.22 × 18,491.29
  4. Step 4: Simplify right side
    55,938.13x = 1,551,182,819.86
  5. Step 5: Solve for x
    x = 1,551,182,819.86/55,938.13
  6. Step 6: Final answer
    x = 27,730.33

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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.