Home / 35,113.56-48,456.66-20,974.68

Finding the Fourth Proportional to 35,113.56, 48,456.66 and 20,974.68

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Solution

The fourth proportional to 35,113.56, 48,456.66 and 20,974.68 is: 28,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,113.56 : 48,456.66 = 20,974.68 : x
  2. Step 2: Convert to fraction form
    35,113.56/48,456.66 = 20,974.68/x
  3. Step 3: Cross multiply
    35,113.56x = 48,456.66 × 20,974.68
  4. Step 4: Simplify right side
    35,113.56x = 1,016,362,937.37
  5. Step 5: Solve for x
    x = 1,016,362,937.37/35,113.56
  6. Step 6: Final answer
    x = 28,945.03

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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.