Home / 39,347.25-58,988.70-18,300.41

Finding the Fourth Proportional to 39,347.25, 58,988.70 and 18,300.41

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Solution

The fourth proportional to 39,347.25, 58,988.70 and 18,300.41 is: 27,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.25 : 58,988.70 = 18,300.41 : x
  2. Step 2: Convert to fraction form
    39,347.25/58,988.70 = 18,300.41/x
  3. Step 3: Cross multiply
    39,347.25x = 58,988.70 × 18,300.41
  4. Step 4: Simplify right side
    39,347.25x = 1,079,517,395.37
  5. Step 5: Solve for x
    x = 1,079,517,395.37/39,347.25
  6. Step 6: Final answer
    x = 27,435.65

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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.