Home / 39,191.58-58,787.36-15,812.54

Finding the Fourth Proportional to 39,191.58, 58,787.36 and 15,812.54

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Solution

The fourth proportional to 39,191.58, 58,787.36 and 15,812.54 is: 23,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.58 : 58,787.36 = 15,812.54 : x
  2. Step 2: Convert to fraction form
    39,191.58/58,787.36 = 15,812.54/x
  3. Step 3: Cross multiply
    39,191.58x = 58,787.36 × 15,812.54
  4. Step 4: Simplify right side
    39,191.58x = 929,577,481.49
  5. Step 5: Solve for x
    x = 929,577,481.49/39,191.58
  6. Step 6: Final answer
    x = 23,718.81

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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.