Home / 38,494.12-57,759-20,943.04

Finding the Fourth Proportional to 38,494.12, 57,759 and 20,943.04

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Solution

The fourth proportional to 38,494.12, 57,759 and 20,943.04 is: 31,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.12 : 57,759 = 20,943.04 : x
  2. Step 2: Convert to fraction form
    38,494.12/57,759 = 20,943.04/x
  3. Step 3: Cross multiply
    38,494.12x = 57,759 × 20,943.04
  4. Step 4: Simplify right side
    38,494.12x = 1,209,649,047.36
  5. Step 5: Solve for x
    x = 1,209,649,047.36/38,494.12
  6. Step 6: Final answer
    x = 31,424.26

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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.