Home / 36,121.96-49,737.54-31,620.52

Finding the Fourth Proportional to 36,121.96, 49,737.54 and 31,620.52

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Solution

The fourth proportional to 36,121.96, 49,737.54 and 31,620.52 is: 43,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.96 : 49,737.54 = 31,620.52 : x
  2. Step 2: Convert to fraction form
    36,121.96/49,737.54 = 31,620.52/x
  3. Step 3: Cross multiply
    36,121.96x = 49,737.54 × 31,620.52
  4. Step 4: Simplify right side
    36,121.96x = 1,572,726,878.32
  5. Step 5: Solve for x
    x = 1,572,726,878.32/36,121.96
  6. Step 6: Final answer
    x = 43,539.36

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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.