Home / 32,103.90-48,152.21-12,380.81

Finding the Fourth Proportional to 32,103.90, 48,152.21 and 12,380.81

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Solution

The fourth proportional to 32,103.90, 48,152.21 and 12,380.81 is: 18,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,103.90 : 48,152.21 = 12,380.81 : x
  2. Step 2: Convert to fraction form
    32,103.90/48,152.21 = 12,380.81/x
  3. Step 3: Cross multiply
    32,103.90x = 48,152.21 × 12,380.81
  4. Step 4: Simplify right side
    32,103.90x = 596,163,060.43
  5. Step 5: Solve for x
    x = 596,163,060.43/32,103.90
  6. Step 6: Final answer
    x = 18,569.80

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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.