Home / 47,050.55-70,579.07-18,970.85

Finding the Fourth Proportional to 47,050.55, 70,579.07 and 18,970.85

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Solution

The fourth proportional to 47,050.55, 70,579.07 and 18,970.85 is: 28,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,050.55 : 70,579.07 = 18,970.85 : x
  2. Step 2: Convert to fraction form
    47,050.55/70,579.07 = 18,970.85/x
  3. Step 3: Cross multiply
    47,050.55x = 70,579.07 × 18,970.85
  4. Step 4: Simplify right side
    47,050.55x = 1,338,945,173.98
  5. Step 5: Solve for x
    x = 1,338,945,173.98/47,050.55
  6. Step 6: Final answer
    x = 28,457.59

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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.