Home / 38,586.42-57,833.46-19,875.42

Finding the Fourth Proportional to 38,586.42, 57,833.46 and 19,875.42

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Solution

The fourth proportional to 38,586.42, 57,833.46 and 19,875.42 is: 29,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.42 : 57,833.46 = 19,875.42 : x
  2. Step 2: Convert to fraction form
    38,586.42/57,833.46 = 19,875.42/x
  3. Step 3: Cross multiply
    38,586.42x = 57,833.46 × 19,875.42
  4. Step 4: Simplify right side
    38,586.42x = 1,149,464,307.55
  5. Step 5: Solve for x
    x = 1,149,464,307.55/38,586.42
  6. Step 6: Final answer
    x = 29,789.35

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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.