Home / 35,974.40-53,961.60-20,163.20

Finding the Fourth Proportional to 35,974.40, 53,961.60 and 20,163.20

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Solution

The fourth proportional to 35,974.40, 53,961.60 and 20,163.20 is: 30,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.40 : 53,961.60 = 20,163.20 : x
  2. Step 2: Convert to fraction form
    35,974.40/53,961.60 = 20,163.20/x
  3. Step 3: Cross multiply
    35,974.40x = 53,961.60 × 20,163.20
  4. Step 4: Simplify right side
    35,974.40x = 1,088,038,533.12
  5. Step 5: Solve for x
    x = 1,088,038,533.12/35,974.40
  6. Step 6: Final answer
    x = 30,244.80

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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.