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Finding the Fourth Proportional to 32,892.12, 45,388.89 and 19,459.89

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Solution

The fourth proportional to 32,892.12, 45,388.89 and 19,459.89 is: 26,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,892.12 : 45,388.89 = 19,459.89 : x
  2. Step 2: Convert to fraction form
    32,892.12/45,388.89 = 19,459.89/x
  3. Step 3: Cross multiply
    32,892.12x = 45,388.89 × 19,459.89
  4. Step 4: Simplify right side
    32,892.12x = 883,262,806.62
  5. Step 5: Solve for x
    x = 883,262,806.62/32,892.12
  6. Step 6: Final answer
    x = 26,853.33

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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.