Home / 38,576.52-57,835.62-30,781.08

Finding the Fourth Proportional to 38,576.52, 57,835.62 and 30,781.08

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Solution

The fourth proportional to 38,576.52, 57,835.62 and 30,781.08 is: 46,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.52 : 57,835.62 = 30,781.08 : x
  2. Step 2: Convert to fraction form
    38,576.52/57,835.62 = 30,781.08/x
  3. Step 3: Cross multiply
    38,576.52x = 57,835.62 × 30,781.08
  4. Step 4: Simplify right side
    38,576.52x = 1,780,242,846.07
  5. Step 5: Solve for x
    x = 1,780,242,846.07/38,576.52
  6. Step 6: Final answer
    x = 46,148.35

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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.