Home / 40,809.54-61,207.23-11,220.33

Finding the Fourth Proportional to 40,809.54, 61,207.23 and 11,220.33

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Solution

The fourth proportional to 40,809.54, 61,207.23 and 11,220.33 is: 16,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.54 : 61,207.23 = 11,220.33 : x
  2. Step 2: Convert to fraction form
    40,809.54/61,207.23 = 11,220.33/x
  3. Step 3: Cross multiply
    40,809.54x = 61,207.23 × 11,220.33
  4. Step 4: Simplify right side
    40,809.54x = 686,765,318.99
  5. Step 5: Solve for x
    x = 686,765,318.99/40,809.54
  6. Step 6: Final answer
    x = 16,828.55

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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.