Home / 52,277.70-72,143.58-28,404.36

Finding the Fourth Proportional to 52,277.70, 72,143.58 and 28,404.36

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Solution

The fourth proportional to 52,277.70, 72,143.58 and 28,404.36 is: 39,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277.70 : 72,143.58 = 28,404.36 : x
  2. Step 2: Convert to fraction form
    52,277.70/72,143.58 = 28,404.36/x
  3. Step 3: Cross multiply
    52,277.70x = 72,143.58 × 28,404.36
  4. Step 4: Simplify right side
    52,277.70x = 2,049,192,218.01
  5. Step 5: Solve for x
    x = 2,049,192,218.01/52,277.70
  6. Step 6: Final answer
    x = 39,198.21

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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.