Home / 52,651.53-72,658.94-28,778.19

Finding the Fourth Proportional to 52,651.53, 72,658.94 and 28,778.19

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Solution

The fourth proportional to 52,651.53, 72,658.94 and 28,778.19 is: 39,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,651.53 : 72,658.94 = 28,778.19 : x
  2. Step 2: Convert to fraction form
    52,651.53/72,658.94 = 28,778.19/x
  3. Step 3: Cross multiply
    52,651.53x = 72,658.94 × 28,778.19
  4. Step 4: Simplify right side
    52,651.53x = 2,090,992,636.63
  5. Step 5: Solve for x
    x = 2,090,992,636.63/52,651.53
  6. Step 6: Final answer
    x = 39,713.81

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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.