Home / 52,029.87-71,800.72-28,156.06

Finding the Fourth Proportional to 52,029.87, 71,800.72 and 28,156.06

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Solution

The fourth proportional to 52,029.87, 71,800.72 and 28,156.06 is: 38,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,029.87 : 71,800.72 = 28,156.06 : x
  2. Step 2: Convert to fraction form
    52,029.87/71,800.72 = 28,156.06/x
  3. Step 3: Cross multiply
    52,029.87x = 71,800.72 × 28,156.06
  4. Step 4: Simplify right side
    52,029.87x = 2,021,625,380.36
  5. Step 5: Solve for x
    x = 2,021,625,380.36/52,029.87
  6. Step 6: Final answer
    x = 38,855.09

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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.