Home / 33,090.40-49,635.60-31,554.40

Finding the Fourth Proportional to 33,090.40, 49,635.60 and 31,554.40

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Solution

The fourth proportional to 33,090.40, 49,635.60 and 31,554.40 is: 47,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.40 : 49,635.60 = 31,554.40 : x
  2. Step 2: Convert to fraction form
    33,090.40/49,635.60 = 31,554.40/x
  3. Step 3: Cross multiply
    33,090.40x = 49,635.60 × 31,554.40
  4. Step 4: Simplify right side
    33,090.40x = 1,566,221,576.64
  5. Step 5: Solve for x
    x = 1,566,221,576.64/33,090.40
  6. Step 6: Final answer
    x = 47,331.60

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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.