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Finding the Fourth Proportional to 32,292.54, 48,439.73 and 8,918.98

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Solution

The fourth proportional to 32,292.54, 48,439.73 and 8,918.98 is: 13,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,292.54 : 48,439.73 = 8,918.98 : x
  2. Step 2: Convert to fraction form
    32,292.54/48,439.73 = 8,918.98/x
  3. Step 3: Cross multiply
    32,292.54x = 48,439.73 × 8,918.98
  4. Step 4: Simplify right side
    32,292.54x = 432,032,817.38
  5. Step 5: Solve for x
    x = 432,032,817.38/32,292.54
  6. Step 6: Final answer
    x = 13,378.72

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1.5x scale

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.