Home / 52,488.98-78,710.38-19,200.41

Finding the Fourth Proportional to 52,488.98, 78,710.38 and 19,200.41

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Solution

The fourth proportional to 52,488.98, 78,710.38 and 19,200.41 is: 28,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.98 : 78,710.38 = 19,200.41 : x
  2. Step 2: Convert to fraction form
    52,488.98/78,710.38 = 19,200.41/x
  3. Step 3: Cross multiply
    52,488.98x = 78,710.38 × 19,200.41
  4. Step 4: Simplify right side
    52,488.98x = 1,511,271,125.70
  5. Step 5: Solve for x
    x = 1,511,271,125.70/52,488.98
  6. Step 6: Final answer
    x = 28,792.16

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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.