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Finding the Fourth Proportional to 30,871, 46,306.46 and 7,497.40

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Solution

The fourth proportional to 30,871, 46,306.46 and 7,497.40 is: 11,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871 : 46,306.46 = 7,497.40 : x
  2. Step 2: Convert to fraction form
    30,871/46,306.46 = 7,497.40/x
  3. Step 3: Cross multiply
    30,871x = 46,306.46 × 7,497.40
  4. Step 4: Simplify right side
    30,871x = 347,178,053.20
  5. Step 5: Solve for x
    x = 347,178,053.20/30,871
  6. Step 6: Final answer
    x = 11,246.09

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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.