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Finding the Fourth Proportional to 32,636.67, 45,036.84 and 18,489.21

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Solution

The fourth proportional to 32,636.67, 45,036.84 and 18,489.21 is: 25,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,636.67 : 45,036.84 = 18,489.21 : x
  2. Step 2: Convert to fraction form
    32,636.67/45,036.84 = 18,489.21/x
  3. Step 3: Cross multiply
    32,636.67x = 45,036.84 × 18,489.21
  4. Step 4: Simplify right side
    32,636.67x = 832,695,592.50
  5. Step 5: Solve for x
    x = 832,695,592.50/32,636.67
  6. Step 6: Final answer
    x = 25,514.11

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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.