Home / 51,657.26-71,291.90-30,145.26

Finding the Fourth Proportional to 51,657.26, 71,291.90 and 30,145.26

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Solution

The fourth proportional to 51,657.26, 71,291.90 and 30,145.26 is: 41,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657.26 : 71,291.90 = 30,145.26 : x
  2. Step 2: Convert to fraction form
    51,657.26/71,291.90 = 30,145.26/x
  3. Step 3: Cross multiply
    51,657.26x = 71,291.90 × 30,145.26
  4. Step 4: Simplify right side
    51,657.26x = 2,149,112,710.67
  5. Step 5: Solve for x
    x = 2,149,112,710.67/51,657.26
  6. Step 6: Final answer
    x = 41,603.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.