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Finding the Fourth Proportional to 30,435, 45,652.52 and 9,658.50

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Solution

The fourth proportional to 30,435, 45,652.52 and 9,658.50 is: 14,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435 : 45,652.52 = 9,658.50 : x
  2. Step 2: Convert to fraction form
    30,435/45,652.52 = 9,658.50/x
  3. Step 3: Cross multiply
    30,435x = 45,652.52 × 9,658.50
  4. Step 4: Simplify right side
    30,435x = 440,934,816.13
  5. Step 5: Solve for x
    x = 440,934,816.13/30,435
  6. Step 6: Final answer
    x = 14,487.75

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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.