Home / 30,134.80-41,625.68-23,147.56

Finding the Fourth Proportional to 30,134.80, 41,625.68 and 23,147.56

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Solution

The fourth proportional to 30,134.80, 41,625.68 and 23,147.56 is: 31,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.80 : 41,625.68 = 23,147.56 : x
  2. Step 2: Convert to fraction form
    30,134.80/41,625.68 = 23,147.56/x
  3. Step 3: Cross multiply
    30,134.80x = 41,625.68 × 23,147.56
  4. Step 4: Simplify right side
    30,134.80x = 963,532,925.34
  5. Step 5: Solve for x
    x = 963,532,925.34/30,134.80
  6. Step 6: Final answer
    x = 31,974.09

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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.