Home / 51,102.47-76,657.55-13,661.73

Finding the Fourth Proportional to 51,102.47, 76,657.55 and 13,661.73

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Solution

The fourth proportional to 51,102.47, 76,657.55 and 13,661.73 is: 20,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.47 : 76,657.55 = 13,661.73 : x
  2. Step 2: Convert to fraction form
    51,102.47/76,657.55 = 13,661.73/x
  3. Step 3: Cross multiply
    51,102.47x = 76,657.55 × 13,661.73
  4. Step 4: Simplify right side
    51,102.47x = 1,047,274,682.25
  5. Step 5: Solve for x
    x = 1,047,274,682.25/51,102.47
  6. Step 6: Final answer
    x = 20,493.62

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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.