Home / 39,102.29-58,661.63-16,918.82

Finding the Fourth Proportional to 39,102.29, 58,661.63 and 16,918.82

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Solution

The fourth proportional to 39,102.29, 58,661.63 and 16,918.82 is: 25,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.29 : 58,661.63 = 16,918.82 : x
  2. Step 2: Convert to fraction form
    39,102.29/58,661.63 = 16,918.82/x
  3. Step 3: Cross multiply
    39,102.29x = 58,661.63 × 16,918.82
  4. Step 4: Simplify right side
    39,102.29x = 992,485,307.87
  5. Step 5: Solve for x
    x = 992,485,307.87/39,102.29
  6. Step 6: Final answer
    x = 25,381.77

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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.