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Finding the Fourth Proportional to 32,468.90, 44,805.74 and 19,723.46

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Solution

The fourth proportional to 32,468.90, 44,805.74 and 19,723.46 is: 27,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,468.90 : 44,805.74 = 19,723.46 : x
  2. Step 2: Convert to fraction form
    32,468.90/44,805.74 = 19,723.46/x
  3. Step 3: Cross multiply
    32,468.90x = 44,805.74 × 19,723.46
  4. Step 4: Simplify right side
    32,468.90x = 883,724,220.66
  5. Step 5: Solve for x
    x = 883,724,220.66/32,468.90
  6. Step 6: Final answer
    x = 27,217.56

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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.