Home / 52,079.76-78,132.60-29,907.36

Finding the Fourth Proportional to 52,079.76, 78,132.60 and 29,907.36

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Solution

The fourth proportional to 52,079.76, 78,132.60 and 29,907.36 is: 44,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.76 : 78,132.60 = 29,907.36 : x
  2. Step 2: Convert to fraction form
    52,079.76/78,132.60 = 29,907.36/x
  3. Step 3: Cross multiply
    52,079.76x = 78,132.60 × 29,907.36
  4. Step 4: Simplify right side
    52,079.76x = 2,336,739,795.94
  5. Step 5: Solve for x
    x = 2,336,739,795.94/52,079.76
  6. Step 6: Final answer
    x = 44,868.48

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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.