Home / 55,806.42-83,717.76-20,270.10

Finding the Fourth Proportional to 55,806.42, 83,717.76 and 20,270.10

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Solution

The fourth proportional to 55,806.42, 83,717.76 and 20,270.10 is: 30,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.42 : 83,717.76 = 20,270.10 : x
  2. Step 2: Convert to fraction form
    55,806.42/83,717.76 = 20,270.10/x
  3. Step 3: Cross multiply
    55,806.42x = 83,717.76 × 20,270.10
  4. Step 4: Simplify right side
    55,806.42x = 1,696,967,366.98
  5. Step 5: Solve for x
    x = 1,696,967,366.98/55,806.42
  6. Step 6: Final answer
    x = 30,408.10

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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.