Home / 45,015.33-67,519.74-19,717.41

Finding the Fourth Proportional to 45,015.33, 67,519.74 and 19,717.41

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Solution

The fourth proportional to 45,015.33, 67,519.74 and 19,717.41 is: 29,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.33 : 67,519.74 = 19,717.41 : x
  2. Step 2: Convert to fraction form
    45,015.33/67,519.74 = 19,717.41/x
  3. Step 3: Cross multiply
    45,015.33x = 67,519.74 × 19,717.41
  4. Step 4: Simplify right side
    45,015.33x = 1,331,314,396.67
  5. Step 5: Solve for x
    x = 1,331,314,396.67/45,015.33
  6. Step 6: Final answer
    x = 29,574.69

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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.