Home / 52,511.65-78,767.31-13,068.78

Finding the Fourth Proportional to 52,511.65, 78,767.31 and 13,068.78

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Solution

The fourth proportional to 52,511.65, 78,767.31 and 13,068.78 is: 19,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.65 : 78,767.31 = 13,068.78 : x
  2. Step 2: Convert to fraction form
    52,511.65/78,767.31 = 13,068.78/x
  3. Step 3: Cross multiply
    52,511.65x = 78,767.31 × 13,068.78
  4. Step 4: Simplify right side
    52,511.65x = 1,029,392,645.58
  5. Step 5: Solve for x
    x = 1,029,392,645.58/52,511.65
  6. Step 6: Final answer
    x = 19,603.13

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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.