Home / 30,954.06-42,755.25-23,870.01

Finding the Fourth Proportional to 30,954.06, 42,755.25 and 23,870.01

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Solution

The fourth proportional to 30,954.06, 42,755.25 and 23,870.01 is: 32,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.06 : 42,755.25 = 23,870.01 : x
  2. Step 2: Convert to fraction form
    30,954.06/42,755.25 = 23,870.01/x
  3. Step 3: Cross multiply
    30,954.06x = 42,755.25 × 23,870.01
  4. Step 4: Simplify right side
    30,954.06x = 1,020,568,245.05
  5. Step 5: Solve for x
    x = 1,020,568,245.05/30,954.06
  6. Step 6: Final answer
    x = 32,970.42

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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.