Home / 52,986.20-79,429.89-17,901.32

Finding the Fourth Proportional to 52,986.20, 79,429.89 and 17,901.32

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Solution

The fourth proportional to 52,986.20, 79,429.89 and 17,901.32 is: 26,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.20 : 79,429.89 = 17,901.32 : x
  2. Step 2: Convert to fraction form
    52,986.20/79,429.89 = 17,901.32/x
  3. Step 3: Cross multiply
    52,986.20x = 79,429.89 × 17,901.32
  4. Step 4: Simplify right side
    52,986.20x = 1,421,899,878.45
  5. Step 5: Solve for x
    x = 1,421,899,878.45/52,986.20
  6. Step 6: Final answer
    x = 26,835.29

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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.