Home / 51,447.27-70,999.98-28,784.91

Finding the Fourth Proportional to 51,447.27, 70,999.98 and 28,784.91

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Solution

The fourth proportional to 51,447.27, 70,999.98 and 28,784.91 is: 39,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.27 : 70,999.98 = 28,784.91 : x
  2. Step 2: Convert to fraction form
    51,447.27/70,999.98 = 28,784.91/x
  3. Step 3: Cross multiply
    51,447.27x = 70,999.98 × 28,784.91
  4. Step 4: Simplify right side
    51,447.27x = 2,043,728,034.30
  5. Step 5: Solve for x
    x = 2,043,728,034.30/51,447.27
  6. Step 6: Final answer
    x = 39,724.71

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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.