Home / 38,664.72-58,015.71-19,945.62

Finding the Fourth Proportional to 38,664.72, 58,015.71 and 19,945.62

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Solution

The fourth proportional to 38,664.72, 58,015.71 and 19,945.62 is: 29,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.72 : 58,015.71 = 19,945.62 : x
  2. Step 2: Convert to fraction form
    38,664.72/58,015.71 = 19,945.62/x
  3. Step 3: Cross multiply
    38,664.72x = 58,015.71 × 19,945.62
  4. Step 4: Simplify right side
    38,664.72x = 1,157,159,305.69
  5. Step 5: Solve for x
    x = 1,157,159,305.69/38,664.72
  6. Step 6: Final answer
    x = 29,928.04

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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.