Home / 33,428.12-46,033.60-31,291.21

Finding the Fourth Proportional to 33,428.12, 46,033.60 and 31,291.21

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Solution

The fourth proportional to 33,428.12, 46,033.60 and 31,291.21 is: 43,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.12 : 46,033.60 = 31,291.21 : x
  2. Step 2: Convert to fraction form
    33,428.12/46,033.60 = 31,291.21/x
  3. Step 3: Cross multiply
    33,428.12x = 46,033.60 × 31,291.21
  4. Step 4: Simplify right side
    33,428.12x = 1,440,446,851.34
  5. Step 5: Solve for x
    x = 1,440,446,851.34/33,428.12
  6. Step 6: Final answer
    x = 43,090.87

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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.