Home / 32,890.56-45,396-19,287.52

Finding the Fourth Proportional to 32,890.56, 45,396 and 19,287.52

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Solution

The fourth proportional to 32,890.56, 45,396 and 19,287.52 is: 26,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.56 : 45,396 = 19,287.52 : x
  2. Step 2: Convert to fraction form
    32,890.56/45,396 = 19,287.52/x
  3. Step 3: Cross multiply
    32,890.56x = 45,396 × 19,287.52
  4. Step 4: Simplify right side
    32,890.56x = 875,576,257.92
  5. Step 5: Solve for x
    x = 875,576,257.92/32,890.56
  6. Step 6: Final answer
    x = 26,620.90

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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.