Home / 60,890.54-91,344.51-18,774.18

Finding the Fourth Proportional to 60,890.54, 91,344.51 and 18,774.18

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Solution

The fourth proportional to 60,890.54, 91,344.51 and 18,774.18 is: 28,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,890.54 : 91,344.51 = 18,774.18 : x
  2. Step 2: Convert to fraction form
    60,890.54/91,344.51 = 18,774.18/x
  3. Step 3: Cross multiply
    60,890.54x = 91,344.51 × 18,774.18
  4. Step 4: Simplify right side
    60,890.54x = 1,714,918,272.75
  5. Step 5: Solve for x
    x = 1,714,918,272.75/60,890.54
  6. Step 6: Final answer
    x = 28,163.95

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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.