Home / 52,479.25-78,730.11-19,199.18

Finding the Fourth Proportional to 52,479.25, 78,730.11 and 19,199.18

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Solution

The fourth proportional to 52,479.25, 78,730.11 and 19,199.18 is: 28,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.25 : 78,730.11 = 19,199.18 : x
  2. Step 2: Convert to fraction form
    52,479.25/78,730.11 = 19,199.18/x
  3. Step 3: Cross multiply
    52,479.25x = 78,730.11 × 19,199.18
  4. Step 4: Simplify right side
    52,479.25x = 1,511,553,750.14
  5. Step 5: Solve for x
    x = 1,511,553,750.14/52,479.25
  6. Step 6: Final answer
    x = 28,802.89

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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.