Home / 34,207.12-47,197.41-20,777.58

Finding the Fourth Proportional to 34,207.12, 47,197.41 and 20,777.58

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Solution

The fourth proportional to 34,207.12, 47,197.41 and 20,777.58 is: 28,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,207.12 : 47,197.41 = 20,777.58 : x
  2. Step 2: Convert to fraction form
    34,207.12/47,197.41 = 20,777.58/x
  3. Step 3: Cross multiply
    34,207.12x = 47,197.41 × 20,777.58
  4. Step 4: Simplify right side
    34,207.12x = 980,647,962.07
  5. Step 5: Solve for x
    x = 980,647,962.07/34,207.12
  6. Step 6: Final answer
    x = 28,667.95

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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.