Home / 31,776.21-43,851.21-17,629.05

Finding the Fourth Proportional to 31,776.21, 43,851.21 and 17,629.05

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Solution

The fourth proportional to 31,776.21, 43,851.21 and 17,629.05 is: 24,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.21 : 43,851.21 = 17,629.05 : x
  2. Step 2: Convert to fraction form
    31,776.21/43,851.21 = 17,629.05/x
  3. Step 3: Cross multiply
    31,776.21x = 43,851.21 × 17,629.05
  4. Step 4: Simplify right side
    31,776.21x = 773,054,954.39
  5. Step 5: Solve for x
    x = 773,054,954.39/31,776.21
  6. Step 6: Final answer
    x = 24,328.11

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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.