Home / 45,538.86-68,315.58-19,243.83

Finding the Fourth Proportional to 45,538.86, 68,315.58 and 19,243.83

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Solution

The fourth proportional to 45,538.86, 68,315.58 and 19,243.83 is: 28,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.86 : 68,315.58 = 19,243.83 : x
  2. Step 2: Convert to fraction form
    45,538.86/68,315.58 = 19,243.83/x
  3. Step 3: Cross multiply
    45,538.86x = 68,315.58 × 19,243.83
  4. Step 4: Simplify right side
    45,538.86x = 1,314,653,407.87
  5. Step 5: Solve for x
    x = 1,314,653,407.87/45,538.86
  6. Step 6: Final answer
    x = 28,868.83

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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.