Home / 31,237-46,860.37-10,172.07

Finding the Fourth Proportional to 31,237, 46,860.37 and 10,172.07

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Solution

The fourth proportional to 31,237, 46,860.37 and 10,172.07 is: 15,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237 : 46,860.37 = 10,172.07 : x
  2. Step 2: Convert to fraction form
    31,237/46,860.37 = 10,172.07/x
  3. Step 3: Cross multiply
    31,237x = 46,860.37 × 10,172.07
  4. Step 4: Simplify right side
    31,237x = 476,666,963.87
  5. Step 5: Solve for x
    x = 476,666,963.87/31,237
  6. Step 6: Final answer
    x = 15,259.69

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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.