Home / 51,861.56-77,774.99-20,263.42

Finding the Fourth Proportional to 51,861.56, 77,774.99 and 20,263.42

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Solution

The fourth proportional to 51,861.56, 77,774.99 and 20,263.42 is: 30,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.56 : 77,774.99 = 20,263.42 : x
  2. Step 2: Convert to fraction form
    51,861.56/77,774.99 = 20,263.42/x
  3. Step 3: Cross multiply
    51,861.56x = 77,774.99 × 20,263.42
  4. Step 4: Simplify right side
    51,861.56x = 1,575,987,144.09
  5. Step 5: Solve for x
    x = 1,575,987,144.09/51,861.56
  6. Step 6: Final answer
    x = 30,388.35

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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.