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Finding the Fourth Proportional to 32,280.80, 48,414.50 and 12,558.92

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Solution

The fourth proportional to 32,280.80, 48,414.50 and 12,558.92 is: 18,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,280.80 : 48,414.50 = 12,558.92 : x
  2. Step 2: Convert to fraction form
    32,280.80/48,414.50 = 12,558.92/x
  3. Step 3: Cross multiply
    32,280.80x = 48,414.50 × 12,558.92
  4. Step 4: Simplify right side
    32,280.80x = 608,033,832.34
  5. Step 5: Solve for x
    x = 608,033,832.34/32,280.80
  6. Step 6: Final answer
    x = 18,835.77

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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.