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Finding the Fourth Proportional to 50.02, 75.04 and 32.10

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Solution

The fourth proportional to 50.02, 75.04 and 32.10 is: 48.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.02 : 75.04 = 32.10 : x
  2. Step 2: Convert to fraction form
    50.02/75.04 = 32.10/x
  3. Step 3: Cross multiply
    50.02x = 75.04 × 32.10
  4. Step 4: Simplify right side
    50.02x = 2,408.78
  5. Step 5: Solve for x
    x = 2,408.78/50.02
  6. Step 6: Final answer
    x = 48.16

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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.