Home / 51,815.10-77,703.12-16,745.34

Finding the Fourth Proportional to 51,815.10, 77,703.12 and 16,745.34

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Solution

The fourth proportional to 51,815.10, 77,703.12 and 16,745.34 is: 25,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.10 : 77,703.12 = 16,745.34 : x
  2. Step 2: Convert to fraction form
    51,815.10/77,703.12 = 16,745.34/x
  3. Step 3: Cross multiply
    51,815.10x = 77,703.12 × 16,745.34
  4. Step 4: Simplify right side
    51,815.10x = 1,301,165,163.46
  5. Step 5: Solve for x
    x = 1,301,165,163.46/51,815.10
  6. Step 6: Final answer
    x = 25,111.70

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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.