Home / 30,671.44-45,993.49-21,371.23

Finding the Fourth Proportional to 30,671.44, 45,993.49 and 21,371.23

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Solution

The fourth proportional to 30,671.44, 45,993.49 and 21,371.23 is: 32,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.44 : 45,993.49 = 21,371.23 : x
  2. Step 2: Convert to fraction form
    30,671.44/45,993.49 = 21,371.23/x
  3. Step 3: Cross multiply
    30,671.44x = 45,993.49 × 21,371.23
  4. Step 4: Simplify right side
    30,671.44x = 982,937,453.29
  5. Step 5: Solve for x
    x = 982,937,453.29/30,671.44
  6. Step 6: Final answer
    x = 32,047.32

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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.