Home / 52,481.10-78,702.52-19,191.32

Finding the Fourth Proportional to 52,481.10, 78,702.52 and 19,191.32

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Solution

The fourth proportional to 52,481.10, 78,702.52 and 19,191.32 is: 28,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.10 : 78,702.52 = 19,191.32 : x
  2. Step 2: Convert to fraction form
    52,481.10/78,702.52 = 19,191.32/x
  3. Step 3: Cross multiply
    52,481.10x = 78,702.52 × 19,191.32
  4. Step 4: Simplify right side
    52,481.10x = 1,510,405,246.13
  5. Step 5: Solve for x
    x = 1,510,405,246.13/52,481.10
  6. Step 6: Final answer
    x = 28,779.98

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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.