Home / 43,167.42-64,734.06-20,974.23

Finding the Fourth Proportional to 43,167.42, 64,734.06 and 20,974.23

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Solution

The fourth proportional to 43,167.42, 64,734.06 and 20,974.23 is: 31,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,167.42 : 64,734.06 = 20,974.23 : x
  2. Step 2: Convert to fraction form
    43,167.42/64,734.06 = 20,974.23/x
  3. Step 3: Cross multiply
    43,167.42x = 64,734.06 × 20,974.23
  4. Step 4: Simplify right side
    43,167.42x = 1,357,747,063.27
  5. Step 5: Solve for x
    x = 1,357,747,063.27/43,167.42
  6. Step 6: Final answer
    x = 31,453.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.