Home / 32,280.24-48,429-18,438.96

Finding the Fourth Proportional to 32,280.24, 48,429 and 18,438.96

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Solution

The fourth proportional to 32,280.24, 48,429 and 18,438.96 is: 27,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,280.24 : 48,429 = 18,438.96 : x
  2. Step 2: Convert to fraction form
    32,280.24/48,429 = 18,438.96/x
  3. Step 3: Cross multiply
    32,280.24x = 48,429 × 18,438.96
  4. Step 4: Simplify right side
    32,280.24x = 892,980,393.84
  5. Step 5: Solve for x
    x = 892,980,393.84/32,280.24
  6. Step 6: Final answer
    x = 27,663.38

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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.