Home / 50,969.97-70,336.13-28,310.40

Finding the Fourth Proportional to 50,969.97, 70,336.13 and 28,310.40

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Solution

The fourth proportional to 50,969.97, 70,336.13 and 28,310.40 is: 39,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.97 : 70,336.13 = 28,310.40 : x
  2. Step 2: Convert to fraction form
    50,969.97/70,336.13 = 28,310.40/x
  3. Step 3: Cross multiply
    50,969.97x = 70,336.13 × 28,310.40
  4. Step 4: Simplify right side
    50,969.97x = 1,991,243,833.20
  5. Step 5: Solve for x
    x = 1,991,243,833.20/50,969.97
  6. Step 6: Final answer
    x = 39,067.00

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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.