Home / 30,107.21-41,554.85-20,036.07

Finding the Fourth Proportional to 30,107.21, 41,554.85 and 20,036.07

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Solution

The fourth proportional to 30,107.21, 41,554.85 and 20,036.07 is: 27,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.21 : 41,554.85 = 20,036.07 : x
  2. Step 2: Convert to fraction form
    30,107.21/41,554.85 = 20,036.07/x
  3. Step 3: Cross multiply
    30,107.21x = 41,554.85 × 20,036.07
  4. Step 4: Simplify right side
    30,107.21x = 832,595,783.26
  5. Step 5: Solve for x
    x = 832,595,783.26/30,107.21
  6. Step 6: Final answer
    x = 27,654.37

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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.