Home / 62,989.20-94,499.32-18,615.78

Finding the Fourth Proportional to 62,989.20, 94,499.32 and 18,615.78

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Solution

The fourth proportional to 62,989.20, 94,499.32 and 18,615.78 is: 27,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,989.20 : 94,499.32 = 18,615.78 : x
  2. Step 2: Convert to fraction form
    62,989.20/94,499.32 = 18,615.78/x
  3. Step 3: Cross multiply
    62,989.20x = 94,499.32 × 18,615.78
  4. Step 4: Simplify right side
    62,989.20x = 1,759,178,551.27
  5. Step 5: Solve for x
    x = 1,759,178,551.27/62,989.20
  6. Step 6: Final answer
    x = 27,928.26

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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.