Home / 58,441.46-87,671.42-18,989.36

Finding the Fourth Proportional to 58,441.46, 87,671.42 and 18,989.36

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Solution

The fourth proportional to 58,441.46, 87,671.42 and 18,989.36 is: 28,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,441.46 : 87,671.42 = 18,989.36 : x
  2. Step 2: Convert to fraction form
    58,441.46/87,671.42 = 18,989.36/x
  3. Step 3: Cross multiply
    58,441.46x = 87,671.42 × 18,989.36
  4. Step 4: Simplify right side
    58,441.46x = 1,664,824,156.09
  5. Step 5: Solve for x
    x = 1,664,824,156.09/58,441.46
  6. Step 6: Final answer
    x = 28,487.04

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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.