Home / 51,977.99-71,729.57-28,104.62

Finding the Fourth Proportional to 51,977.99, 71,729.57 and 28,104.62

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Solution

The fourth proportional to 51,977.99, 71,729.57 and 28,104.62 is: 38,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.99 : 71,729.57 = 28,104.62 : x
  2. Step 2: Convert to fraction form
    51,977.99/71,729.57 = 28,104.62/x
  3. Step 3: Cross multiply
    51,977.99x = 71,729.57 × 28,104.62
  4. Step 4: Simplify right side
    51,977.99x = 2,015,932,019.23
  5. Step 5: Solve for x
    x = 2,015,932,019.23/51,977.99
  6. Step 6: Final answer
    x = 38,784.34

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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.