Home / 32,420.45-48,633.18-12,439.50

Finding the Fourth Proportional to 32,420.45, 48,633.18 and 12,439.50

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Solution

The fourth proportional to 32,420.45, 48,633.18 and 12,439.50 is: 18,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.45 : 48,633.18 = 12,439.50 : x
  2. Step 2: Convert to fraction form
    32,420.45/48,633.18 = 12,439.50/x
  3. Step 3: Cross multiply
    32,420.45x = 48,633.18 × 12,439.50
  4. Step 4: Simplify right side
    32,420.45x = 604,972,442.61
  5. Step 5: Solve for x
    x = 604,972,442.61/32,420.45
  6. Step 6: Final answer
    x = 18,660.21

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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.