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Finding the Fourth Proportional to 60,555.41, 90,847.71 and 19,002.41

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Solution

The fourth proportional to 60,555.41, 90,847.71 and 19,002.41 is: 28,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555.41 : 90,847.71 = 19,002.41 : x
  2. Step 2: Convert to fraction form
    60,555.41/90,847.71 = 19,002.41/x
  3. Step 3: Cross multiply
    60,555.41x = 90,847.71 × 19,002.41
  4. Step 4: Simplify right side
    60,555.41x = 1,726,325,432.98
  5. Step 5: Solve for x
    x = 1,726,325,432.98/60,555.41
  6. Step 6: Final answer
    x = 28,508.19

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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.