Home / 51,977.97-71,729.64-28,104.66

Finding the Fourth Proportional to 51,977.97, 71,729.64 and 28,104.66

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Solution

The fourth proportional to 51,977.97, 71,729.64 and 28,104.66 is: 38,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.97 : 71,729.64 = 28,104.66 : x
  2. Step 2: Convert to fraction form
    51,977.97/71,729.64 = 28,104.66/x
  3. Step 3: Cross multiply
    51,977.97x = 71,729.64 × 28,104.66
  4. Step 4: Simplify right side
    51,977.97x = 2,015,937,144.12
  5. Step 5: Solve for x
    x = 2,015,937,144.12/51,977.97
  6. Step 6: Final answer
    x = 38,784.45

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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.