Home / 51,668.22-77,484.48-20,070.84

Finding the Fourth Proportional to 51,668.22, 77,484.48 and 20,070.84

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Solution

The fourth proportional to 51,668.22, 77,484.48 and 20,070.84 is: 30,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,668.22 : 77,484.48 = 20,070.84 : x
  2. Step 2: Convert to fraction form
    51,668.22/77,484.48 = 20,070.84/x
  3. Step 3: Cross multiply
    51,668.22x = 77,484.48 × 20,070.84
  4. Step 4: Simplify right side
    51,668.22x = 1,555,178,600.56
  5. Step 5: Solve for x
    x = 1,555,178,600.56/51,668.22
  6. Step 6: Final answer
    x = 30,099.33

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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.