Home / 35,271.36-48,684.84-20,172.60

Finding the Fourth Proportional to 35,271.36, 48,684.84 and 20,172.60

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Solution

The fourth proportional to 35,271.36, 48,684.84 and 20,172.60 is: 27,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,271.36 : 48,684.84 = 20,172.60 : x
  2. Step 2: Convert to fraction form
    35,271.36/48,684.84 = 20,172.60/x
  3. Step 3: Cross multiply
    35,271.36x = 48,684.84 × 20,172.60
  4. Step 4: Simplify right side
    35,271.36x = 982,099,803.38
  5. Step 5: Solve for x
    x = 982,099,803.38/35,271.36
  6. Step 6: Final answer
    x = 27,844.11

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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.