Home / 52,137.70-71,950.40-28,264.75

Finding the Fourth Proportional to 52,137.70, 71,950.40 and 28,264.75

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Solution

The fourth proportional to 52,137.70, 71,950.40 and 28,264.75 is: 39,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137.70 : 71,950.40 = 28,264.75 : x
  2. Step 2: Convert to fraction form
    52,137.70/71,950.40 = 28,264.75/x
  3. Step 3: Cross multiply
    52,137.70x = 71,950.40 × 28,264.75
  4. Step 4: Simplify right side
    52,137.70x = 2,033,659,927.08
  5. Step 5: Solve for x
    x = 2,033,659,927.08/52,137.70
  6. Step 6: Final answer
    x = 39,005.56

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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.