Home / 31,203.03-43,069.02-18,460.65

Finding the Fourth Proportional to 31,203.03, 43,069.02 and 18,460.65

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Solution

The fourth proportional to 31,203.03, 43,069.02 and 18,460.65 is: 25,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.03 : 43,069.02 = 18,460.65 : x
  2. Step 2: Convert to fraction form
    31,203.03/43,069.02 = 18,460.65/x
  3. Step 3: Cross multiply
    31,203.03x = 43,069.02 × 18,460.65
  4. Step 4: Simplify right side
    31,203.03x = 795,082,104.06
  5. Step 5: Solve for x
    x = 795,082,104.06/31,203.03
  6. Step 6: Final answer
    x = 25,480.93

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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.