Home / 52,299.78-72,174.13-28,426.44

Finding the Fourth Proportional to 52,299.78, 72,174.13 and 28,426.44

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Solution

The fourth proportional to 52,299.78, 72,174.13 and 28,426.44 is: 39,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,299.78 : 72,174.13 = 28,426.44 : x
  2. Step 2: Convert to fraction form
    52,299.78/72,174.13 = 28,426.44/x
  3. Step 3: Cross multiply
    52,299.78x = 72,174.13 × 28,426.44
  4. Step 4: Simplify right side
    52,299.78x = 2,051,653,576.00
  5. Step 5: Solve for x
    x = 2,051,653,576.00/52,299.78
  6. Step 6: Final answer
    x = 39,228.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.