Home / 35,321.49-48,744.70-20,219.00

Finding the Fourth Proportional to 35,321.49, 48,744.70 and 20,219.00

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Solution

The fourth proportional to 35,321.49, 48,744.70 and 20,219.00 is: 27,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.49 : 48,744.70 = 20,219.00 : x
  2. Step 2: Convert to fraction form
    35,321.49/48,744.70 = 20,219.00/x
  3. Step 3: Cross multiply
    35,321.49x = 48,744.70 × 20,219.00
  4. Step 4: Simplify right side
    35,321.49x = 985,569,303.29
  5. Step 5: Solve for x
    x = 985,569,303.29/35,321.49
  6. Step 6: Final answer
    x = 27,902.82

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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.