Home / 55,232.04-82,857.78-20,220.60

Finding the Fourth Proportional to 55,232.04, 82,857.78 and 20,220.60

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Solution

The fourth proportional to 55,232.04, 82,857.78 and 20,220.60 is: 30,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.04 : 82,857.78 = 20,220.60 : x
  2. Step 2: Convert to fraction form
    55,232.04/82,857.78 = 20,220.60/x
  3. Step 3: Cross multiply
    55,232.04x = 82,857.78 × 20,220.60
  4. Step 4: Simplify right side
    55,232.04x = 1,675,434,026.27
  5. Step 5: Solve for x
    x = 1,675,434,026.27/55,232.04
  6. Step 6: Final answer
    x = 30,334.46

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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.