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Finding the Fourth Proportional to 45.04, 62.10 and 39.19

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Solution

The fourth proportional to 45.04, 62.10 and 39.19 is: 54.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.04 : 62.10 = 39.19 : x
  2. Step 2: Convert to fraction form
    45.04/62.10 = 39.19/x
  3. Step 3: Cross multiply
    45.04x = 62.10 × 39.19
  4. Step 4: Simplify right side
    45.04x = 2,433.70
  5. Step 5: Solve for x
    x = 2,433.70/45.04
  6. Step 6: Final answer
    x = 54.03

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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.