Home / 58,380.50-87,562.54-18,937.96

Finding the Fourth Proportional to 58,380.50, 87,562.54 and 18,937.96

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Solution

The fourth proportional to 58,380.50, 87,562.54 and 18,937.96 is: 28,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,380.50 : 87,562.54 = 18,937.96 : x
  2. Step 2: Convert to fraction form
    58,380.50/87,562.54 = 18,937.96/x
  3. Step 3: Cross multiply
    58,380.50x = 87,562.54 × 18,937.96
  4. Step 4: Simplify right side
    58,380.50x = 1,658,255,880.02
  5. Step 5: Solve for x
    x = 1,658,255,880.02/58,380.50
  6. Step 6: Final answer
    x = 28,404.28

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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.