Home / 51,603.35-71,213.21-28,633.58

Finding the Fourth Proportional to 51,603.35, 71,213.21 and 28,633.58

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Solution

The fourth proportional to 51,603.35, 71,213.21 and 28,633.58 is: 39,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.35 : 71,213.21 = 28,633.58 : x
  2. Step 2: Convert to fraction form
    51,603.35/71,213.21 = 28,633.58/x
  3. Step 3: Cross multiply
    51,603.35x = 71,213.21 × 28,633.58
  4. Step 4: Simplify right side
    51,603.35x = 2,039,089,180.46
  5. Step 5: Solve for x
    x = 2,039,089,180.46/51,603.35
  6. Step 6: Final answer
    x = 39,514.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.