Home / 19,439.33-29,155.55-5,400.34

Finding the Fourth Proportional to 19,439.33, 29,155.55 and 5,400.34

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Solution

The fourth proportional to 19,439.33, 29,155.55 and 5,400.34 is: 8,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.33 : 29,155.55 = 5,400.34 : x
  2. Step 2: Convert to fraction form
    19,439.33/29,155.55 = 5,400.34/x
  3. Step 3: Cross multiply
    19,439.33x = 29,155.55 × 5,400.34
  4. Step 4: Simplify right side
    19,439.33x = 157,449,783.00
  5. Step 5: Solve for x
    x = 157,449,783.00/19,439.33
  6. Step 6: Final answer
    x = 8,099.55

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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.