Home / 30,723.87-42,401.07-17,296.23

Finding the Fourth Proportional to 30,723.87, 42,401.07 and 17,296.23

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Solution

The fourth proportional to 30,723.87, 42,401.07 and 17,296.23 is: 23,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.87 : 42,401.07 = 17,296.23 : x
  2. Step 2: Convert to fraction form
    30,723.87/42,401.07 = 17,296.23/x
  3. Step 3: Cross multiply
    30,723.87x = 42,401.07 × 17,296.23
  4. Step 4: Simplify right side
    30,723.87x = 733,378,658.97
  5. Step 5: Solve for x
    x = 733,378,658.97/30,723.87
  6. Step 6: Final answer
    x = 23,870.00

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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.