Home / 34,271.42-47,300.34-19,939.55

Finding the Fourth Proportional to 34,271.42, 47,300.34 and 19,939.55

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Solution

The fourth proportional to 34,271.42, 47,300.34 and 19,939.55 is: 27,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,271.42 : 47,300.34 = 19,939.55 : x
  2. Step 2: Convert to fraction form
    34,271.42/47,300.34 = 19,939.55/x
  3. Step 3: Cross multiply
    34,271.42x = 47,300.34 × 19,939.55
  4. Step 4: Simplify right side
    34,271.42x = 943,147,257.95
  5. Step 5: Solve for x
    x = 943,147,257.95/34,271.42
  6. Step 6: Final answer
    x = 27,519.94

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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.