Home / 55,411.89-83,126.03-20,348.81

Finding the Fourth Proportional to 55,411.89, 83,126.03 and 20,348.81

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Solution

The fourth proportional to 55,411.89, 83,126.03 and 20,348.81 is: 30,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.89 : 83,126.03 = 20,348.81 : x
  2. Step 2: Convert to fraction form
    55,411.89/83,126.03 = 20,348.81/x
  3. Step 3: Cross multiply
    55,411.89x = 83,126.03 × 20,348.81
  4. Step 4: Simplify right side
    55,411.89x = 1,691,515,790.52
  5. Step 5: Solve for x
    x = 1,691,515,790.52/55,411.89
  6. Step 6: Final answer
    x = 30,526.22

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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.