Home / 79,947.32-119,922.06-30,018.20

Finding the Fourth Proportional to 79,947.32, 119,922.06 and 30,018.20

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Solution

The fourth proportional to 79,947.32, 119,922.06 and 30,018.20 is: 45,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,947.32 : 119,922.06 = 30,018.20 : x
  2. Step 2: Convert to fraction form
    79,947.32/119,922.06 = 30,018.20/x
  3. Step 3: Cross multiply
    79,947.32x = 119,922.06 × 30,018.20
  4. Step 4: Simplify right side
    79,947.32x = 3,599,844,381.49
  5. Step 5: Solve for x
    x = 3,599,844,381.49/79,947.32
  6. Step 6: Final answer
    x = 45,027.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.