Home / 52,320.32-78,529.80-19,072.52

Finding the Fourth Proportional to 52,320.32, 78,529.80 and 19,072.52

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Solution

The fourth proportional to 52,320.32, 78,529.80 and 19,072.52 is: 28,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.32 : 78,529.80 = 19,072.52 : x
  2. Step 2: Convert to fraction form
    52,320.32/78,529.80 = 19,072.52/x
  3. Step 3: Cross multiply
    52,320.32x = 78,529.80 × 19,072.52
  4. Step 4: Simplify right side
    52,320.32x = 1,497,761,181.10
  5. Step 5: Solve for x
    x = 1,497,761,181.10/52,320.32
  6. Step 6: Final answer
    x = 28,626.76

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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.