Home / 30,792.52-46,188.87-8,605.75

Finding the Fourth Proportional to 30,792.52, 46,188.87 and 8,605.75

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Solution

The fourth proportional to 30,792.52, 46,188.87 and 8,605.75 is: 12,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.52 : 46,188.87 = 8,605.75 : x
  2. Step 2: Convert to fraction form
    30,792.52/46,188.87 = 8,605.75/x
  3. Step 3: Cross multiply
    30,792.52x = 46,188.87 × 8,605.75
  4. Step 4: Simplify right side
    30,792.52x = 397,489,868.00
  5. Step 5: Solve for x
    x = 397,489,868.00/30,792.52
  6. Step 6: Final answer
    x = 12,908.65

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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.