Home / 60,771.16-91,155.97-20,789.74

Finding the Fourth Proportional to 60,771.16, 91,155.97 and 20,789.74

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Solution

The fourth proportional to 60,771.16, 91,155.97 and 20,789.74 is: 31,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,771.16 : 91,155.97 = 20,789.74 : x
  2. Step 2: Convert to fraction form
    60,771.16/91,155.97 = 20,789.74/x
  3. Step 3: Cross multiply
    60,771.16x = 91,155.97 × 20,789.74
  4. Step 4: Simplify right side
    60,771.16x = 1,895,108,915.75
  5. Step 5: Solve for x
    x = 1,895,108,915.75/60,771.16
  6. Step 6: Final answer
    x = 31,184.35

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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.