Home / 34,662.42-47,846.40-20,515.23

Finding the Fourth Proportional to 34,662.42, 47,846.40 and 20,515.23

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Solution

The fourth proportional to 34,662.42, 47,846.40 and 20,515.23 is: 28,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,662.42 : 47,846.40 = 20,515.23 : x
  2. Step 2: Convert to fraction form
    34,662.42/47,846.40 = 20,515.23/x
  3. Step 3: Cross multiply
    34,662.42x = 47,846.40 × 20,515.23
  4. Step 4: Simplify right side
    34,662.42x = 981,579,900.67
  5. Step 5: Solve for x
    x = 981,579,900.67/34,662.42
  6. Step 6: Final answer
    x = 28,318.27

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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.