Home / 45,543.70-68,309.36-12,265.74

Finding the Fourth Proportional to 45,543.70, 68,309.36 and 12,265.74

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Solution

The fourth proportional to 45,543.70, 68,309.36 and 12,265.74 is: 18,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.70 : 68,309.36 = 12,265.74 : x
  2. Step 2: Convert to fraction form
    45,543.70/68,309.36 = 12,265.74/x
  3. Step 3: Cross multiply
    45,543.70x = 68,309.36 × 12,265.74
  4. Step 4: Simplify right side
    45,543.70x = 837,864,849.33
  5. Step 5: Solve for x
    x = 837,864,849.33/45,543.70
  6. Step 6: Final answer
    x = 18,396.94

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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.