Home / 35,431.24-48,893.54-20,313.04

Finding the Fourth Proportional to 35,431.24, 48,893.54 and 20,313.04

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Solution

The fourth proportional to 35,431.24, 48,893.54 and 20,313.04 is: 28,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.24 : 48,893.54 = 20,313.04 : x
  2. Step 2: Convert to fraction form
    35,431.24/48,893.54 = 20,313.04/x
  3. Step 3: Cross multiply
    35,431.24x = 48,893.54 × 20,313.04
  4. Step 4: Simplify right side
    35,431.24x = 993,176,433.76
  5. Step 5: Solve for x
    x = 993,176,433.76/35,431.24
  6. Step 6: Final answer
    x = 28,031.09

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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.