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Finding the Fourth Proportional to 32,509.42, 48,759.71 and 8,818.49

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Solution

The fourth proportional to 32,509.42, 48,759.71 and 8,818.49 is: 13,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,509.42 : 48,759.71 = 8,818.49 : x
  2. Step 2: Convert to fraction form
    32,509.42/48,759.71 = 8,818.49/x
  3. Step 3: Cross multiply
    32,509.42x = 48,759.71 × 8,818.49
  4. Step 4: Simplify right side
    32,509.42x = 429,986,818.57
  5. Step 5: Solve for x
    x = 429,986,818.57/32,509.42
  6. Step 6: Final answer
    x = 13,226.53

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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.