Home / 52,901.38-79,356.72-19,621.81

Finding the Fourth Proportional to 52,901.38, 79,356.72 and 19,621.81

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Solution

The fourth proportional to 52,901.38, 79,356.72 and 19,621.81 is: 29,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,901.38 : 79,356.72 = 19,621.81 : x
  2. Step 2: Convert to fraction form
    52,901.38/79,356.72 = 19,621.81/x
  3. Step 3: Cross multiply
    52,901.38x = 79,356.72 × 19,621.81
  4. Step 4: Simplify right side
    52,901.38x = 1,557,122,085.28
  5. Step 5: Solve for x
    x = 1,557,122,085.28/52,901.38
  6. Step 6: Final answer
    x = 29,434.44

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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.