Home / 52,286.02-78,429.29-12,843.14

Finding the Fourth Proportional to 52,286.02, 78,429.29 and 12,843.14

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Solution

The fourth proportional to 52,286.02, 78,429.29 and 12,843.14 is: 19,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.02 : 78,429.29 = 12,843.14 : x
  2. Step 2: Convert to fraction form
    52,286.02/78,429.29 = 12,843.14/x
  3. Step 3: Cross multiply
    52,286.02x = 78,429.29 × 12,843.14
  4. Step 4: Simplify right side
    52,286.02x = 1,007,278,351.57
  5. Step 5: Solve for x
    x = 1,007,278,351.57/52,286.02
  6. Step 6: Final answer
    x = 19,264.77

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1.5x scale

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.