Home / 51,611.68-77,221.91-30,563.02

Finding the Fourth Proportional to 51,611.68, 77,221.91 and 30,563.02

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Solution

The fourth proportional to 51,611.68, 77,221.91 and 30,563.02 is: 45,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.68 : 77,221.91 = 30,563.02 : x
  2. Step 2: Convert to fraction form
    51,611.68/77,221.91 = 30,563.02/x
  3. Step 3: Cross multiply
    51,611.68x = 77,221.91 × 30,563.02
  4. Step 4: Simplify right side
    51,611.68x = 2,360,134,780.79
  5. Step 5: Solve for x
    x = 2,360,134,780.79/51,611.68
  6. Step 6: Final answer
    x = 45,728.69

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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.