Home / 52,701.87-79,063.39-19,422.11

Finding the Fourth Proportional to 52,701.87, 79,063.39 and 19,422.11

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Solution

The fourth proportional to 52,701.87, 79,063.39 and 19,422.11 is: 29,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,701.87 : 79,063.39 = 19,422.11 : x
  2. Step 2: Convert to fraction form
    52,701.87/79,063.39 = 19,422.11/x
  3. Step 3: Cross multiply
    52,701.87x = 79,063.39 × 19,422.11
  4. Step 4: Simplify right side
    52,701.87x = 1,535,578,079.49
  5. Step 5: Solve for x
    x = 1,535,578,079.49/52,701.87
  6. Step 6: Final answer
    x = 29,137.07

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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.