Home / 49,968.36-68,884.86-30,835.32

Finding the Fourth Proportional to 49,968.36, 68,884.86 and 30,835.32

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Solution

The fourth proportional to 49,968.36, 68,884.86 and 30,835.32 is: 42,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,968.36 : 68,884.86 = 30,835.32 : x
  2. Step 2: Convert to fraction form
    49,968.36/68,884.86 = 30,835.32/x
  3. Step 3: Cross multiply
    49,968.36x = 68,884.86 × 30,835.32
  4. Step 4: Simplify right side
    49,968.36x = 2,124,086,701.26
  5. Step 5: Solve for x
    x = 2,124,086,701.26/49,968.36
  6. Step 6: Final answer
    x = 42,508.63

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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.