Home / 32,300.90-48,475.04-21,203.70

Finding the Fourth Proportional to 32,300.90, 48,475.04 and 21,203.70

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Solution

The fourth proportional to 32,300.90, 48,475.04 and 21,203.70 is: 31,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,300.90 : 48,475.04 = 21,203.70 : x
  2. Step 2: Convert to fraction form
    32,300.90/48,475.04 = 21,203.70/x
  3. Step 3: Cross multiply
    32,300.90x = 48,475.04 × 21,203.70
  4. Step 4: Simplify right side
    32,300.90x = 1,027,850,205.65
  5. Step 5: Solve for x
    x = 1,027,850,205.65/32,300.90
  6. Step 6: Final answer
    x = 31,821.10

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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.