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Finding the Fourth Proportional to 32,578.16, 48,868.09 and 8,885.90

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Solution

The fourth proportional to 32,578.16, 48,868.09 and 8,885.90 is: 13,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.16 : 48,868.09 = 8,885.90 : x
  2. Step 2: Convert to fraction form
    32,578.16/48,868.09 = 8,885.90/x
  3. Step 3: Cross multiply
    32,578.16x = 48,868.09 × 8,885.90
  4. Step 4: Simplify right side
    32,578.16x = 434,236,960.93
  5. Step 5: Solve for x
    x = 434,236,960.93/32,578.16
  6. Step 6: Final answer
    x = 13,329.08

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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.