Home / 31,225.24-46,837.90-7,851.68

Finding the Fourth Proportional to 31,225.24, 46,837.90 and 7,851.68

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Solution

The fourth proportional to 31,225.24, 46,837.90 and 7,851.68 is: 11,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.24 : 46,837.90 = 7,851.68 : x
  2. Step 2: Convert to fraction form
    31,225.24/46,837.90 = 7,851.68/x
  3. Step 3: Cross multiply
    31,225.24x = 46,837.90 × 7,851.68
  4. Step 4: Simplify right side
    31,225.24x = 367,756,202.67
  5. Step 5: Solve for x
    x = 367,756,202.67/31,225.24
  6. Step 6: Final answer
    x = 11,777.53

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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.