Home / 45,438.43-68,152.79-15,856.83

Finding the Fourth Proportional to 45,438.43, 68,152.79 and 15,856.83

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Solution

The fourth proportional to 45,438.43, 68,152.79 and 15,856.83 is: 23,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.43 : 68,152.79 = 15,856.83 : x
  2. Step 2: Convert to fraction form
    45,438.43/68,152.79 = 15,856.83/x
  3. Step 3: Cross multiply
    45,438.43x = 68,152.79 × 15,856.83
  4. Step 4: Simplify right side
    45,438.43x = 1,080,686,785.01
  5. Step 5: Solve for x
    x = 1,080,686,785.01/45,438.43
  6. Step 6: Final answer
    x = 23,783.54

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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.