Home / 30,912.08-46,392.36-11,209.60

Finding the Fourth Proportional to 30,912.08, 46,392.36 and 11,209.60

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Solution

The fourth proportional to 30,912.08, 46,392.36 and 11,209.60 is: 16,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912.08 : 46,392.36 = 11,209.60 : x
  2. Step 2: Convert to fraction form
    30,912.08/46,392.36 = 11,209.60/x
  3. Step 3: Cross multiply
    30,912.08x = 46,392.36 × 11,209.60
  4. Step 4: Simplify right side
    30,912.08x = 520,039,798.66
  5. Step 5: Solve for x
    x = 520,039,798.66/30,912.08
  6. Step 6: Final answer
    x = 16,823.19

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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.