Home / 30,867.17-42,596.62-16,719.98

Finding the Fourth Proportional to 30,867.17, 42,596.62 and 16,719.98

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Solution

The fourth proportional to 30,867.17, 42,596.62 and 16,719.98 is: 23,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.17 : 42,596.62 = 16,719.98 : x
  2. Step 2: Convert to fraction form
    30,867.17/42,596.62 = 16,719.98/x
  3. Step 3: Cross multiply
    30,867.17x = 42,596.62 × 16,719.98
  4. Step 4: Simplify right side
    30,867.17x = 712,214,379.68
  5. Step 5: Solve for x
    x = 712,214,379.68/30,867.17
  6. Step 6: Final answer
    x = 23,073.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.