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Finding the Fourth Proportional to 32,631, 45,028.62 and 19,199.64

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Solution

The fourth proportional to 32,631, 45,028.62 and 19,199.64 is: 26,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,631 : 45,028.62 = 19,199.64 : x
  2. Step 2: Convert to fraction form
    32,631/45,028.62 = 19,199.64/x
  3. Step 3: Cross multiply
    32,631x = 45,028.62 × 19,199.64
  4. Step 4: Simplify right side
    32,631x = 864,533,293.70
  5. Step 5: Solve for x
    x = 864,533,293.70/32,631
  6. Step 6: Final answer
    x = 26,494.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.