Home / 30,391.75-45,603.99-14,809.37

Finding the Fourth Proportional to 30,391.75, 45,603.99 and 14,809.37

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Solution

The fourth proportional to 30,391.75, 45,603.99 and 14,809.37 is: 22,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.75 : 45,603.99 = 14,809.37 : x
  2. Step 2: Convert to fraction form
    30,391.75/45,603.99 = 14,809.37/x
  3. Step 3: Cross multiply
    30,391.75x = 45,603.99 × 14,809.37
  4. Step 4: Simplify right side
    30,391.75x = 675,366,475.40
  5. Step 5: Solve for x
    x = 675,366,475.40/30,391.75
  6. Step 6: Final answer
    x = 22,222.03

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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.