Home / 30,148.08-41,608.60-16,722.32

Finding the Fourth Proportional to 30,148.08, 41,608.60 and 16,722.32

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Solution

The fourth proportional to 30,148.08, 41,608.60 and 16,722.32 is: 23,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.08 : 41,608.60 = 16,722.32 : x
  2. Step 2: Convert to fraction form
    30,148.08/41,608.60 = 16,722.32/x
  3. Step 3: Cross multiply
    30,148.08x = 41,608.60 × 16,722.32
  4. Step 4: Simplify right side
    30,148.08x = 695,792,323.95
  5. Step 5: Solve for x
    x = 695,792,323.95/30,148.08
  6. Step 6: Final answer
    x = 23,079.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.