Home / 31,272.99-46,913.31-10,207.38

Finding the Fourth Proportional to 31,272.99, 46,913.31 and 10,207.38

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Solution

The fourth proportional to 31,272.99, 46,913.31 and 10,207.38 is: 15,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.99 : 46,913.31 = 10,207.38 : x
  2. Step 2: Convert to fraction form
    31,272.99/46,913.31 = 10,207.38/x
  3. Step 3: Cross multiply
    31,272.99x = 46,913.31 × 10,207.38
  4. Step 4: Simplify right side
    31,272.99x = 478,861,982.23
  5. Step 5: Solve for x
    x = 478,861,982.23/31,272.99
  6. Step 6: Final answer
    x = 15,312.32

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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.