Home / 53,128.64-73,317.74-31,908.26

Finding the Fourth Proportional to 53,128.64, 73,317.74 and 31,908.26

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Solution

The fourth proportional to 53,128.64, 73,317.74 and 31,908.26 is: 44,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.64 : 73,317.74 = 31,908.26 : x
  2. Step 2: Convert to fraction form
    53,128.64/73,317.74 = 31,908.26/x
  3. Step 3: Cross multiply
    53,128.64x = 73,317.74 × 31,908.26
  4. Step 4: Simplify right side
    53,128.64x = 2,339,441,510.53
  5. Step 5: Solve for x
    x = 2,339,441,510.53/53,128.64
  6. Step 6: Final answer
    x = 44,033.53

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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.