Home / 58,235.37-87,331.53-20,785.41

Finding the Fourth Proportional to 58,235.37, 87,331.53 and 20,785.41

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Solution

The fourth proportional to 58,235.37, 87,331.53 and 20,785.41 is: 31,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,235.37 : 87,331.53 = 20,785.41 : x
  2. Step 2: Convert to fraction form
    58,235.37/87,331.53 = 20,785.41/x
  3. Step 3: Cross multiply
    58,235.37x = 87,331.53 × 20,785.41
  4. Step 4: Simplify right side
    58,235.37x = 1,815,221,656.98
  5. Step 5: Solve for x
    x = 1,815,221,656.98/58,235.37
  6. Step 6: Final answer
    x = 31,170.43

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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.