Home / 30,109.87-41,551.91-16,681.41

Finding the Fourth Proportional to 30,109.87, 41,551.91 and 16,681.41

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Solution

The fourth proportional to 30,109.87, 41,551.91 and 16,681.41 is: 23,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.87 : 41,551.91 = 16,681.41 : x
  2. Step 2: Convert to fraction form
    30,109.87/41,551.91 = 16,681.41/x
  3. Step 3: Cross multiply
    30,109.87x = 41,551.91 × 16,681.41
  4. Step 4: Simplify right side
    30,109.87x = 693,144,446.99
  5. Step 5: Solve for x
    x = 693,144,446.99/30,109.87
  6. Step 6: Final answer
    x = 23,020.51

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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.