Home / 31,129.16-46,685.26-10,349.96

Finding the Fourth Proportional to 31,129.16, 46,685.26 and 10,349.96

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Solution

The fourth proportional to 31,129.16, 46,685.26 and 10,349.96 is: 15,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.16 : 46,685.26 = 10,349.96 : x
  2. Step 2: Convert to fraction form
    31,129.16/46,685.26 = 10,349.96/x
  3. Step 3: Cross multiply
    31,129.16x = 46,685.26 × 10,349.96
  4. Step 4: Simplify right side
    31,129.16x = 483,190,573.59
  5. Step 5: Solve for x
    x = 483,190,573.59/31,129.16
  6. Step 6: Final answer
    x = 15,522.12

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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.