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Finding the Fourth Proportional to 32,620.87, 45,016.07 and 19,008.07

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Solution

The fourth proportional to 32,620.87, 45,016.07 and 19,008.07 is: 26,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620.87 : 45,016.07 = 19,008.07 : x
  2. Step 2: Convert to fraction form
    32,620.87/45,016.07 = 19,008.07/x
  3. Step 3: Cross multiply
    32,620.87x = 45,016.07 × 19,008.07
  4. Step 4: Simplify right side
    32,620.87x = 855,668,570.91
  5. Step 5: Solve for x
    x = 855,668,570.91/32,620.87
  6. Step 6: Final answer
    x = 26,230.71

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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.