Home / 45,336.29-68,026.71-20,393.96

Finding the Fourth Proportional to 45,336.29, 68,026.71 and 20,393.96

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Solution

The fourth proportional to 45,336.29, 68,026.71 and 20,393.96 is: 30,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.29 : 68,026.71 = 20,393.96 : x
  2. Step 2: Convert to fraction form
    45,336.29/68,026.71 = 20,393.96/x
  3. Step 3: Cross multiply
    45,336.29x = 68,026.71 × 20,393.96
  4. Step 4: Simplify right side
    45,336.29x = 1,387,334,002.67
  5. Step 5: Solve for x
    x = 1,387,334,002.67/45,336.29
  6. Step 6: Final answer
    x = 30,600.96

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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.