Home / 35,250.49-48,644.80-20,142.19

Finding the Fourth Proportional to 35,250.49, 48,644.80 and 20,142.19

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Solution

The fourth proportional to 35,250.49, 48,644.80 and 20,142.19 is: 27,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,250.49 : 48,644.80 = 20,142.19 : x
  2. Step 2: Convert to fraction form
    35,250.49/48,644.80 = 20,142.19/x
  3. Step 3: Cross multiply
    35,250.49x = 48,644.80 × 20,142.19
  4. Step 4: Simplify right side
    35,250.49x = 979,813,064.68
  5. Step 5: Solve for x
    x = 979,813,064.68/35,250.49
  6. Step 6: Final answer
    x = 27,795.73

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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.