Home / 51,442.23-70,993.03-28,779.87

Finding the Fourth Proportional to 51,442.23, 70,993.03 and 28,779.87

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Solution

The fourth proportional to 51,442.23, 70,993.03 and 28,779.87 is: 39,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.23 : 70,993.03 = 28,779.87 : x
  2. Step 2: Convert to fraction form
    51,442.23/70,993.03 = 28,779.87/x
  3. Step 3: Cross multiply
    51,442.23x = 70,993.03 × 28,779.87
  4. Step 4: Simplify right side
    51,442.23x = 2,043,170,174.31
  5. Step 5: Solve for x
    x = 2,043,170,174.31/51,442.23
  6. Step 6: Final answer
    x = 39,717.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.