Home / 30,766.07-46,148.64-18,761.75

Finding the Fourth Proportional to 30,766.07, 46,148.64 and 18,761.75

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Solution

The fourth proportional to 30,766.07, 46,148.64 and 18,761.75 is: 28,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.07 : 46,148.64 = 18,761.75 : x
  2. Step 2: Convert to fraction form
    30,766.07/46,148.64 = 18,761.75/x
  3. Step 3: Cross multiply
    30,766.07x = 46,148.64 × 18,761.75
  4. Step 4: Simplify right side
    30,766.07x = 865,829,223.43
  5. Step 5: Solve for x
    x = 865,829,223.43/30,766.07
  6. Step 6: Final answer
    x = 28,142.34

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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.