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Finding the Fourth Proportional to 34.92, 48.14 and 29.45

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Solution

The fourth proportional to 34.92, 48.14 and 29.45 is: 40.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.92 : 48.14 = 29.45 : x
  2. Step 2: Convert to fraction form
    34.92/48.14 = 29.45/x
  3. Step 3: Cross multiply
    34.92x = 48.14 × 29.45
  4. Step 4: Simplify right side
    34.92x = 1,417.72
  5. Step 5: Solve for x
    x = 1,417.72/34.92
  6. Step 6: Final answer
    x = 40.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.