Home / 38,007.57-56,991.83-13,040.90

Finding the Fourth Proportional to 38,007.57, 56,991.83 and 13,040.90

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Solution

The fourth proportional to 38,007.57, 56,991.83 and 13,040.90 is: 19,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.57 : 56,991.83 = 13,040.90 : x
  2. Step 2: Convert to fraction form
    38,007.57/56,991.83 = 13,040.90/x
  3. Step 3: Cross multiply
    38,007.57x = 56,991.83 × 13,040.90
  4. Step 4: Simplify right side
    38,007.57x = 743,224,405.68
  5. Step 5: Solve for x
    x = 743,224,405.68/38,007.57
  6. Step 6: Final answer
    x = 19,554.64

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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.