Home / 31,313.03-46,958.40-9,120.65

Finding the Fourth Proportional to 31,313.03, 46,958.40 and 9,120.65

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Solution

The fourth proportional to 31,313.03, 46,958.40 and 9,120.65 is: 13,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.03 : 46,958.40 = 9,120.65 : x
  2. Step 2: Convert to fraction form
    31,313.03/46,958.40 = 9,120.65/x
  3. Step 3: Cross multiply
    31,313.03x = 46,958.40 × 9,120.65
  4. Step 4: Simplify right side
    31,313.03x = 428,290,896.17
  5. Step 5: Solve for x
    x = 428,290,896.17/31,313.03
  6. Step 6: Final answer
    x = 13,677.72

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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.