Home / 53,128.14-73,317.05-31,907.76

Finding the Fourth Proportional to 53,128.14, 73,317.05 and 31,907.76

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Solution

The fourth proportional to 53,128.14, 73,317.05 and 31,907.76 is: 44,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.14 : 73,317.05 = 31,907.76 : x
  2. Step 2: Convert to fraction form
    53,128.14/73,317.05 = 31,907.76/x
  3. Step 3: Cross multiply
    53,128.14x = 73,317.05 × 31,907.76
  4. Step 4: Simplify right side
    53,128.14x = 2,339,382,309.18
  5. Step 5: Solve for x
    x = 2,339,382,309.18/53,128.14
  6. Step 6: Final answer
    x = 44,032.83

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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.