Home / 23,119.42-31,905.62-13,050.32

Finding the Fourth Proportional to 23,119.42, 31,905.62 and 13,050.32

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Solution

The fourth proportional to 23,119.42, 31,905.62 and 13,050.32 is: 18,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.42 : 31,905.62 = 13,050.32 : x
  2. Step 2: Convert to fraction form
    23,119.42/31,905.62 = 13,050.32/x
  3. Step 3: Cross multiply
    23,119.42x = 31,905.62 × 13,050.32
  4. Step 4: Simplify right side
    23,119.42x = 416,378,550.80
  5. Step 5: Solve for x
    x = 416,378,550.80/23,119.42
  6. Step 6: Final answer
    x = 18,009.90

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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.