Home / 60,667.60-90,996.97-20,683.28

Finding the Fourth Proportional to 60,667.60, 90,996.97 and 20,683.28

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Solution

The fourth proportional to 60,667.60, 90,996.97 and 20,683.28 is: 31,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,667.60 : 90,996.97 = 20,683.28 : x
  2. Step 2: Convert to fraction form
    60,667.60/90,996.97 = 20,683.28/x
  3. Step 3: Cross multiply
    60,667.60x = 90,996.97 × 20,683.28
  4. Step 4: Simplify right side
    60,667.60x = 1,882,115,809.66
  5. Step 5: Solve for x
    x = 1,882,115,809.66/60,667.60
  6. Step 6: Final answer
    x = 31,023.41

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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.