Home / 34,771.89-47,985.22-18,856.34

Finding the Fourth Proportional to 34,771.89, 47,985.22 and 18,856.34

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Solution

The fourth proportional to 34,771.89, 47,985.22 and 18,856.34 is: 26,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.89 : 47,985.22 = 18,856.34 : x
  2. Step 2: Convert to fraction form
    34,771.89/47,985.22 = 18,856.34/x
  3. Step 3: Cross multiply
    34,771.89x = 47,985.22 × 18,856.34
  4. Step 4: Simplify right side
    34,771.89x = 904,825,383.37
  5. Step 5: Solve for x
    x = 904,825,383.37/34,771.89
  6. Step 6: Final answer
    x = 26,021.75

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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.