Home / 45,780.36-68,663.64-26,813.70

Finding the Fourth Proportional to 45,780.36, 68,663.64 and 26,813.70

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Solution

The fourth proportional to 45,780.36, 68,663.64 and 26,813.70 is: 40,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,780.36 : 68,663.64 = 26,813.70 : x
  2. Step 2: Convert to fraction form
    45,780.36/68,663.64 = 26,813.70/x
  3. Step 3: Cross multiply
    45,780.36x = 68,663.64 × 26,813.70
  4. Step 4: Simplify right side
    45,780.36x = 1,841,126,243.87
  5. Step 5: Solve for x
    x = 1,841,126,243.87/45,780.36
  6. Step 6: Final answer
    x = 40,216.51

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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.