Home / 57,275.29-85,892.33-19,825.21

Finding the Fourth Proportional to 57,275.29, 85,892.33 and 19,825.21

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Solution

The fourth proportional to 57,275.29, 85,892.33 and 19,825.21 is: 29,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.29 : 85,892.33 = 19,825.21 : x
  2. Step 2: Convert to fraction form
    57,275.29/85,892.33 = 19,825.21/x
  3. Step 3: Cross multiply
    57,275.29x = 85,892.33 × 19,825.21
  4. Step 4: Simplify right side
    57,275.29x = 1,702,833,479.64
  5. Step 5: Solve for x
    x = 1,702,833,479.64/57,275.29
  6. Step 6: Final answer
    x = 29,730.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.