Home / 38,759.32-58,155.44-18,783.69

Finding the Fourth Proportional to 38,759.32, 58,155.44 and 18,783.69

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Solution

The fourth proportional to 38,759.32, 58,155.44 and 18,783.69 is: 28,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.32 : 58,155.44 = 18,783.69 : x
  2. Step 2: Convert to fraction form
    38,759.32/58,155.44 = 18,783.69/x
  3. Step 3: Cross multiply
    38,759.32x = 58,155.44 × 18,783.69
  4. Step 4: Simplify right side
    38,759.32x = 1,092,373,550.43
  5. Step 5: Solve for x
    x = 1,092,373,550.43/38,759.32
  6. Step 6: Final answer
    x = 28,183.50

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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.