Home / 30,400.06-45,580.34-12,625.84

Finding the Fourth Proportional to 30,400.06, 45,580.34 and 12,625.84

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Solution

The fourth proportional to 30,400.06, 45,580.34 and 12,625.84 is: 18,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.06 : 45,580.34 = 12,625.84 : x
  2. Step 2: Convert to fraction form
    30,400.06/45,580.34 = 12,625.84/x
  3. Step 3: Cross multiply
    30,400.06x = 45,580.34 × 12,625.84
  4. Step 4: Simplify right side
    30,400.06x = 575,489,883.65
  5. Step 5: Solve for x
    x = 575,489,883.65/30,400.06
  6. Step 6: Final answer
    x = 18,930.55

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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.