Home / 30,083.74-45,101.28-12,566.68

Finding the Fourth Proportional to 30,083.74, 45,101.28 and 12,566.68

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Solution

The fourth proportional to 30,083.74, 45,101.28 and 12,566.68 is: 18,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.74 : 45,101.28 = 12,566.68 : x
  2. Step 2: Convert to fraction form
    30,083.74/45,101.28 = 12,566.68/x
  3. Step 3: Cross multiply
    30,083.74x = 45,101.28 × 12,566.68
  4. Step 4: Simplify right side
    30,083.74x = 566,773,353.35
  5. Step 5: Solve for x
    x = 566,773,353.35/30,083.74
  6. Step 6: Final answer
    x = 18,839.86

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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.