Home / 30,675.44-45,982.16-11,943.80

Finding the Fourth Proportional to 30,675.44, 45,982.16 and 11,943.80

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Solution

The fourth proportional to 30,675.44, 45,982.16 and 11,943.80 is: 17,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.44 : 45,982.16 = 11,943.80 : x
  2. Step 2: Convert to fraction form
    30,675.44/45,982.16 = 11,943.80/x
  3. Step 3: Cross multiply
    30,675.44x = 45,982.16 × 11,943.80
  4. Step 4: Simplify right side
    30,675.44x = 549,201,722.61
  5. Step 5: Solve for x
    x = 549,201,722.61/30,675.44
  6. Step 6: Final answer
    x = 17,903.63

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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.