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Finding the Fourth Proportional to 32,389.64, 48,629.24 and 22,370.90

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Solution

The fourth proportional to 32,389.64, 48,629.24 and 22,370.90 is: 33,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.64 : 48,629.24 = 22,370.90 : x
  2. Step 2: Convert to fraction form
    32,389.64/48,629.24 = 22,370.90/x
  3. Step 3: Cross multiply
    32,389.64x = 48,629.24 × 22,370.90
  4. Step 4: Simplify right side
    32,389.64x = 1,087,879,865.12
  5. Step 5: Solve for x
    x = 1,087,879,865.12/32,389.64
  6. Step 6: Final answer
    x = 33,587.28

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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.