Home / 40,635.12-60,948.36-12,930.96

Finding the Fourth Proportional to 40,635.12, 60,948.36 and 12,930.96

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Solution

The fourth proportional to 40,635.12, 60,948.36 and 12,930.96 is: 19,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,635.12 : 60,948.36 = 12,930.96 : x
  2. Step 2: Convert to fraction form
    40,635.12/60,948.36 = 12,930.96/x
  3. Step 3: Cross multiply
    40,635.12x = 60,948.36 × 12,930.96
  4. Step 4: Simplify right side
    40,635.12x = 788,120,805.23
  5. Step 5: Solve for x
    x = 788,120,805.23/40,635.12
  6. Step 6: Final answer
    x = 19,395.07

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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.