Home / 47,856.26-71,784.66-42,615.56

Finding the Fourth Proportional to 47,856.26, 71,784.66 and 42,615.56

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Solution

The fourth proportional to 47,856.26, 71,784.66 and 42,615.56 is: 63,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.26 : 71,784.66 = 42,615.56 : x
  2. Step 2: Convert to fraction form
    47,856.26/71,784.66 = 42,615.56/x
  3. Step 3: Cross multiply
    47,856.26x = 71,784.66 × 42,615.56
  4. Step 4: Simplify right side
    47,856.26x = 3,059,143,485.31
  5. Step 5: Solve for x
    x = 3,059,143,485.31/47,856.26
  6. Step 6: Final answer
    x = 63,923.58

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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.