Home / 31,322.14-46,990.11-9,137.25

Finding the Fourth Proportional to 31,322.14, 46,990.11 and 9,137.25

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Solution

The fourth proportional to 31,322.14, 46,990.11 and 9,137.25 is: 13,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.14 : 46,990.11 = 9,137.25 : x
  2. Step 2: Convert to fraction form
    31,322.14/46,990.11 = 9,137.25/x
  3. Step 3: Cross multiply
    31,322.14x = 46,990.11 × 9,137.25
  4. Step 4: Simplify right side
    31,322.14x = 429,360,147.65
  5. Step 5: Solve for x
    x = 429,360,147.65/31,322.14
  6. Step 6: Final answer
    x = 13,707.88

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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.