Home / 30,920.17-46,376.15-8,735.56

Finding the Fourth Proportional to 30,920.17, 46,376.15 and 8,735.56

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Solution

The fourth proportional to 30,920.17, 46,376.15 and 8,735.56 is: 13,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.17 : 46,376.15 = 8,735.56 : x
  2. Step 2: Convert to fraction form
    30,920.17/46,376.15 = 8,735.56/x
  3. Step 3: Cross multiply
    30,920.17x = 46,376.15 × 8,735.56
  4. Step 4: Simplify right side
    30,920.17x = 405,121,640.89
  5. Step 5: Solve for x
    x = 405,121,640.89/30,920.17
  6. Step 6: Final answer
    x = 13,102.18

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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.