Home / 30,299,039.55-45,448,559.33-20,733,101.55

Finding the Fourth Proportional to 30,299,039.55, 45,448,559.33 and 20,733,101.55

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Solution

The fourth proportional to 30,299,039.55, 45,448,559.33 and 20,733,101.55 is: 31,099,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,039.55 : 45,448,559.33 = 20,733,101.55 : x
  2. Step 2: Convert to fraction form
    30,299,039.55/45,448,559.33 = 20,733,101.55/x
  3. Step 3: Cross multiply
    30,299,039.55x = 45,448,559.33 × 20,733,101.55
  4. Step 4: Simplify right side
    30,299,039.55x = 942,289,595,786,424.50
  5. Step 5: Solve for x
    x = 942,289,595,786,424.50/30,299,039.55
  6. Step 6: Final answer
    x = 31,099,652.33

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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.