Home / 39,245.40-54,301.26-34,220.09

Finding the Fourth Proportional to 39,245.40, 54,301.26 and 34,220.09

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Solution

The fourth proportional to 39,245.40, 54,301.26 and 34,220.09 is: 47,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.40 : 54,301.26 = 34,220.09 : x
  2. Step 2: Convert to fraction form
    39,245.40/54,301.26 = 34,220.09/x
  3. Step 3: Cross multiply
    39,245.40x = 54,301.26 × 34,220.09
  4. Step 4: Simplify right side
    39,245.40x = 1,858,194,064.76
  5. Step 5: Solve for x
    x = 1,858,194,064.76/39,245.40
  6. Step 6: Final answer
    x = 47,348.08

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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.