Home / 38,500.75-53,131.04-21,733.75

Finding the Fourth Proportional to 38,500.75, 53,131.04 and 21,733.75

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Solution

The fourth proportional to 38,500.75, 53,131.04 and 21,733.75 is: 29,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.75 : 53,131.04 = 21,733.75 : x
  2. Step 2: Convert to fraction form
    38,500.75/53,131.04 = 21,733.75/x
  3. Step 3: Cross multiply
    38,500.75x = 53,131.04 × 21,733.75
  4. Step 4: Simplify right side
    38,500.75x = 1,154,736,740.60
  5. Step 5: Solve for x
    x = 1,154,736,740.60/38,500.75
  6. Step 6: Final answer
    x = 29,992.58

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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.