Home / 58,382.36-87,585.86-18,936.41

Finding the Fourth Proportional to 58,382.36, 87,585.86 and 18,936.41

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Solution

The fourth proportional to 58,382.36, 87,585.86 and 18,936.41 is: 28,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,382.36 : 87,585.86 = 18,936.41 : x
  2. Step 2: Convert to fraction form
    58,382.36/87,585.86 = 18,936.41/x
  3. Step 3: Cross multiply
    58,382.36x = 87,585.86 × 18,936.41
  4. Step 4: Simplify right side
    58,382.36x = 1,658,561,222.55
  5. Step 5: Solve for x
    x = 1,658,561,222.55/58,382.36
  6. Step 6: Final answer
    x = 28,408.60

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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.