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Finding the Fourth Proportional to 47.52, 70.93 and 44.46

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Solution

The fourth proportional to 47.52, 70.93 and 44.46 is: 66.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.52 : 70.93 = 44.46 : x
  2. Step 2: Convert to fraction form
    47.52/70.93 = 44.46/x
  3. Step 3: Cross multiply
    47.52x = 70.93 × 44.46
  4. Step 4: Simplify right side
    47.52x = 3,153.55
  5. Step 5: Solve for x
    x = 3,153.55/47.52
  6. Step 6: Final answer
    x = 66.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.