Home / 30,747.40-46,091.58-19,622.68

Finding the Fourth Proportional to 30,747.40, 46,091.58 and 19,622.68

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Solution

The fourth proportional to 30,747.40, 46,091.58 and 19,622.68 is: 29,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.40 : 46,091.58 = 19,622.68 : x
  2. Step 2: Convert to fraction form
    30,747.40/46,091.58 = 19,622.68/x
  3. Step 3: Cross multiply
    30,747.40x = 46,091.58 × 19,622.68
  4. Step 4: Simplify right side
    30,747.40x = 904,440,325.03
  5. Step 5: Solve for x
    x = 904,440,325.03/30,747.40
  6. Step 6: Final answer
    x = 29,415.18

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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.