Home / 34,705.34-47,893.40-18,789.80

Finding the Fourth Proportional to 34,705.34, 47,893.40 and 18,789.80

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Solution

The fourth proportional to 34,705.34, 47,893.40 and 18,789.80 is: 25,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.34 : 47,893.40 = 18,789.80 : x
  2. Step 2: Convert to fraction form
    34,705.34/47,893.40 = 18,789.80/x
  3. Step 3: Cross multiply
    34,705.34x = 47,893.40 × 18,789.80
  4. Step 4: Simplify right side
    34,705.34x = 899,907,407.32
  5. Step 5: Solve for x
    x = 899,907,407.32/34,705.34
  6. Step 6: Final answer
    x = 25,929.94

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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.