Home / 40,212.96-55,491.38-22,307.60

Finding the Fourth Proportional to 40,212.96, 55,491.38 and 22,307.60

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Solution

The fourth proportional to 40,212.96, 55,491.38 and 22,307.60 is: 30,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.96 : 55,491.38 = 22,307.60 : x
  2. Step 2: Convert to fraction form
    40,212.96/55,491.38 = 22,307.60/x
  3. Step 3: Cross multiply
    40,212.96x = 55,491.38 × 22,307.60
  4. Step 4: Simplify right side
    40,212.96x = 1,237,879,619.33
  5. Step 5: Solve for x
    x = 1,237,879,619.33/40,212.96
  6. Step 6: Final answer
    x = 30,783.10

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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.