Home / 52,285.94-78,429.16-12,843.06

Finding the Fourth Proportional to 52,285.94, 78,429.16 and 12,843.06

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Solution

The fourth proportional to 52,285.94, 78,429.16 and 12,843.06 is: 19,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.94 : 78,429.16 = 12,843.06 : x
  2. Step 2: Convert to fraction form
    52,285.94/78,429.16 = 12,843.06/x
  3. Step 3: Cross multiply
    52,285.94x = 78,429.16 × 12,843.06
  4. Step 4: Simplify right side
    52,285.94x = 1,007,270,407.63
  5. Step 5: Solve for x
    x = 1,007,270,407.63/52,285.94
  6. Step 6: Final answer
    x = 19,264.65

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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.