Home / 39,705.35-54,789.35-23,789.39

Finding the Fourth Proportional to 39,705.35, 54,789.35 and 23,789.39

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Solution

The fourth proportional to 39,705.35, 54,789.35 and 23,789.39 is: 32,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.35 : 54,789.35 = 23,789.39 : x
  2. Step 2: Convert to fraction form
    39,705.35/54,789.35 = 23,789.39/x
  3. Step 3: Cross multiply
    39,705.35x = 54,789.35 × 23,789.39
  4. Step 4: Simplify right side
    39,705.35x = 1,303,405,411.44
  5. Step 5: Solve for x
    x = 1,303,405,411.44/39,705.35
  6. Step 6: Final answer
    x = 32,826.94

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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.