Home / 32,360.78-48,548.50-12,644.98

Finding the Fourth Proportional to 32,360.78, 48,548.50 and 12,644.98

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Solution

The fourth proportional to 32,360.78, 48,548.50 and 12,644.98 is: 18,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,360.78 : 48,548.50 = 12,644.98 : x
  2. Step 2: Convert to fraction form
    32,360.78/48,548.50 = 12,644.98/x
  3. Step 3: Cross multiply
    32,360.78x = 48,548.50 × 12,644.98
  4. Step 4: Simplify right side
    32,360.78x = 613,894,658.55
  5. Step 5: Solve for x
    x = 613,894,658.55/32,360.78
  6. Step 6: Final answer
    x = 18,970.33

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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.