Home / 35,662.30-49,201.86-20,554.48

Finding the Fourth Proportional to 35,662.30, 49,201.86 and 20,554.48

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Solution

The fourth proportional to 35,662.30, 49,201.86 and 20,554.48 is: 28,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,662.30 : 49,201.86 = 20,554.48 : x
  2. Step 2: Convert to fraction form
    35,662.30/49,201.86 = 20,554.48/x
  3. Step 3: Cross multiply
    35,662.30x = 49,201.86 × 20,554.48
  4. Step 4: Simplify right side
    35,662.30x = 1,011,318,647.33
  5. Step 5: Solve for x
    x = 1,011,318,647.33/35,662.30
  6. Step 6: Final answer
    x = 28,358.20

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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.