Home / 31,121.26-46,681.90-10,344.76

Finding the Fourth Proportional to 31,121.26, 46,681.90 and 10,344.76

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Solution

The fourth proportional to 31,121.26, 46,681.90 and 10,344.76 is: 15,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.26 : 46,681.90 = 10,344.76 : x
  2. Step 2: Convert to fraction form
    31,121.26/46,681.90 = 10,344.76/x
  3. Step 3: Cross multiply
    31,121.26x = 46,681.90 × 10,344.76
  4. Step 4: Simplify right side
    31,121.26x = 482,913,051.84
  5. Step 5: Solve for x
    x = 482,913,051.84/31,121.26
  6. Step 6: Final answer
    x = 15,517.14

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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.