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Finding the Fourth Proportional to 48.63, 73.20 and 37.29

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Solution

The fourth proportional to 48.63, 73.20 and 37.29 is: 56.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.63 : 73.20 = 37.29 : x
  2. Step 2: Convert to fraction form
    48.63/73.20 = 37.29/x
  3. Step 3: Cross multiply
    48.63x = 73.20 × 37.29
  4. Step 4: Simplify right side
    48.63x = 2,729.63
  5. Step 5: Solve for x
    x = 2,729.63/48.63
  6. Step 6: Final answer
    x = 56.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.