Home / 52,307.08-72,183.31-28,433.68

Finding the Fourth Proportional to 52,307.08, 72,183.31 and 28,433.68

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Solution

The fourth proportional to 52,307.08, 72,183.31 and 28,433.68 is: 39,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.08 : 72,183.31 = 28,433.68 : x
  2. Step 2: Convert to fraction form
    52,307.08/72,183.31 = 28,433.68/x
  3. Step 3: Cross multiply
    52,307.08x = 72,183.31 × 28,433.68
  4. Step 4: Simplify right side
    52,307.08x = 2,052,437,137.88
  5. Step 5: Solve for x
    x = 2,052,437,137.88/52,307.08
  6. Step 6: Final answer
    x = 39,238.23

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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.