Home / 32,100.60-48,175.20-21,003.60

Finding the Fourth Proportional to 32,100.60, 48,175.20 and 21,003.60

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Solution

The fourth proportional to 32,100.60, 48,175.20 and 21,003.60 is: 31,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,100.60 : 48,175.20 = 21,003.60 : x
  2. Step 2: Convert to fraction form
    32,100.60/48,175.20 = 21,003.60/x
  3. Step 3: Cross multiply
    32,100.60x = 48,175.20 × 21,003.60
  4. Step 4: Simplify right side
    32,100.60x = 1,011,852,630.72
  5. Step 5: Solve for x
    x = 1,011,852,630.72/32,100.60
  6. Step 6: Final answer
    x = 31,521.30

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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.