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Finding the Fourth Proportional to 64,016.76, 95,896.52 and 31,898.96

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Solution

The fourth proportional to 64,016.76, 95,896.52 and 31,898.96 is: 47,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,016.76 : 95,896.52 = 31,898.96 : x
  2. Step 2: Convert to fraction form
    64,016.76/95,896.52 = 31,898.96/x
  3. Step 3: Cross multiply
    64,016.76x = 95,896.52 × 31,898.96
  4. Step 4: Simplify right side
    64,016.76x = 3,058,999,255.62
  5. Step 5: Solve for x
    x = 3,058,999,255.62/64,016.76
  6. Step 6: Final answer
    x = 47,784.35

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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.