Home / 50,099.52-69,149.76-28,891.52

Finding the Fourth Proportional to 50,099.52, 69,149.76 and 28,891.52

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Solution

The fourth proportional to 50,099.52, 69,149.76 and 28,891.52 is: 39,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,099.52 : 69,149.76 = 28,891.52 : x
  2. Step 2: Convert to fraction form
    50,099.52/69,149.76 = 28,891.52/x
  3. Step 3: Cross multiply
    50,099.52x = 69,149.76 × 28,891.52
  4. Step 4: Simplify right side
    50,099.52x = 1,997,841,674.04
  5. Step 5: Solve for x
    x = 1,997,841,674.04/50,099.52
  6. Step 6: Final answer
    x = 39,877.46

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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.