Home / 34,638.45-47,801.04-18,722.88

Finding the Fourth Proportional to 34,638.45, 47,801.04 and 18,722.88

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Solution

The fourth proportional to 34,638.45, 47,801.04 and 18,722.88 is: 25,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.45 : 47,801.04 = 18,722.88 : x
  2. Step 2: Convert to fraction form
    34,638.45/47,801.04 = 18,722.88/x
  3. Step 3: Cross multiply
    34,638.45x = 47,801.04 × 18,722.88
  4. Step 4: Simplify right side
    34,638.45x = 894,973,135.80
  5. Step 5: Solve for x
    x = 894,973,135.80/34,638.45
  6. Step 6: Final answer
    x = 25,837.56

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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.