Home / 34,738.80-47,939.34-19,636.35

Finding the Fourth Proportional to 34,738.80, 47,939.34 and 19,636.35

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Solution

The fourth proportional to 34,738.80, 47,939.34 and 19,636.35 is: 27,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.80 : 47,939.34 = 19,636.35 : x
  2. Step 2: Convert to fraction form
    34,738.80/47,939.34 = 19,636.35/x
  3. Step 3: Cross multiply
    34,738.80x = 47,939.34 × 19,636.35
  4. Step 4: Simplify right side
    34,738.80x = 941,353,659.01
  5. Step 5: Solve for x
    x = 941,353,659.01/34,738.80
  6. Step 6: Final answer
    x = 27,098.05

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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.