Home / 41,139.48-61,720.84-11,557.58

Finding the Fourth Proportional to 41,139.48, 61,720.84 and 11,557.58

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Solution

The fourth proportional to 41,139.48, 61,720.84 and 11,557.58 is: 17,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.48 : 61,720.84 = 11,557.58 : x
  2. Step 2: Convert to fraction form
    41,139.48/61,720.84 = 11,557.58/x
  3. Step 3: Cross multiply
    41,139.48x = 61,720.84 × 11,557.58
  4. Step 4: Simplify right side
    41,139.48x = 713,343,251.81
  5. Step 5: Solve for x
    x = 713,343,251.81/41,139.48
  6. Step 6: Final answer
    x = 17,339.63

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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.