Home / 38,573.52-57,831.12-30,778.08

Finding the Fourth Proportional to 38,573.52, 57,831.12 and 30,778.08

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Solution

The fourth proportional to 38,573.52, 57,831.12 and 30,778.08 is: 46,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.52 : 57,831.12 = 30,778.08 : x
  2. Step 2: Convert to fraction form
    38,573.52/57,831.12 = 30,778.08/x
  3. Step 3: Cross multiply
    38,573.52x = 57,831.12 × 30,778.08
  4. Step 4: Simplify right side
    38,573.52x = 1,779,930,837.85
  5. Step 5: Solve for x
    x = 1,779,930,837.85/38,573.52
  6. Step 6: Final answer
    x = 46,143.85

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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.