Home / 31,362.12-43,268.76-17,923.68

Finding the Fourth Proportional to 31,362.12, 43,268.76 and 17,923.68

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Solution

The fourth proportional to 31,362.12, 43,268.76 and 17,923.68 is: 24,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.12 : 43,268.76 = 17,923.68 : x
  2. Step 2: Convert to fraction form
    31,362.12/43,268.76 = 17,923.68/x
  3. Step 3: Cross multiply
    31,362.12x = 43,268.76 × 17,923.68
  4. Step 4: Simplify right side
    31,362.12x = 775,535,408.24
  5. Step 5: Solve for x
    x = 775,535,408.24/31,362.12
  6. Step 6: Final answer
    x = 24,728.41

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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.