Home / 38,628.96-57,812.16-29,902.80

Finding the Fourth Proportional to 38,628.96, 57,812.16 and 29,902.80

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Solution

The fourth proportional to 38,628.96, 57,812.16 and 29,902.80 is: 44,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.96 : 57,812.16 = 29,902.80 : x
  2. Step 2: Convert to fraction form
    38,628.96/57,812.16 = 29,902.80/x
  3. Step 3: Cross multiply
    38,628.96x = 57,812.16 × 29,902.80
  4. Step 4: Simplify right side
    38,628.96x = 1,728,745,458.05
  5. Step 5: Solve for x
    x = 1,728,745,458.05/38,628.96
  6. Step 6: Final answer
    x = 44,752.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.