Home / 30,788.16-46,190.10-8,601.60

Finding the Fourth Proportional to 30,788.16, 46,190.10 and 8,601.60

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Solution

The fourth proportional to 30,788.16, 46,190.10 and 8,601.60 is: 12,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,788.16 : 46,190.10 = 8,601.60 : x
  2. Step 2: Convert to fraction form
    30,788.16/46,190.10 = 8,601.60/x
  3. Step 3: Cross multiply
    30,788.16x = 46,190.10 × 8,601.60
  4. Step 4: Simplify right side
    30,788.16x = 397,308,764.16
  5. Step 5: Solve for x
    x = 397,308,764.16/30,788.16
  6. Step 6: Final answer
    x = 12,904.60

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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.