Home / 47,856.24-71,778.88-12,798.62

Finding the Fourth Proportional to 47,856.24, 71,778.88 and 12,798.62

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Solution

The fourth proportional to 47,856.24, 71,778.88 and 12,798.62 is: 19,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.24 : 71,778.88 = 12,798.62 : x
  2. Step 2: Convert to fraction form
    47,856.24/71,778.88 = 12,798.62/x
  3. Step 3: Cross multiply
    47,856.24x = 71,778.88 × 12,798.62
  4. Step 4: Simplify right side
    47,856.24x = 918,670,609.15
  5. Step 5: Solve for x
    x = 918,670,609.15/47,856.24
  6. Step 6: Final answer
    x = 19,196.46

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1.5x scale

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.