Home / 61,378.07-84,706.17-37,509.31

Finding the Fourth Proportional to 61,378.07, 84,706.17 and 37,509.31

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Solution

The fourth proportional to 61,378.07, 84,706.17 and 37,509.31 is: 51,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,378.07 : 84,706.17 = 37,509.31 : x
  2. Step 2: Convert to fraction form
    61,378.07/84,706.17 = 37,509.31/x
  3. Step 3: Cross multiply
    61,378.07x = 84,706.17 × 37,509.31
  4. Step 4: Simplify right side
    61,378.07x = 3,177,269,989.44
  5. Step 5: Solve for x
    x = 3,177,269,989.44/61,378.07
  6. Step 6: Final answer
    x = 51,765.56

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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.