Home / 31,237.31-46,860.85-10,172.39

Finding the Fourth Proportional to 31,237.31, 46,860.85 and 10,172.39

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Solution

The fourth proportional to 31,237.31, 46,860.85 and 10,172.39 is: 15,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.31 : 46,860.85 = 10,172.39 : x
  2. Step 2: Convert to fraction form
    31,237.31/46,860.85 = 10,172.39/x
  3. Step 3: Cross multiply
    31,237.31x = 46,860.85 × 10,172.39
  4. Step 4: Simplify right side
    31,237.31x = 476,686,563.12
  5. Step 5: Solve for x
    x = 476,686,563.12/31,237.31
  6. Step 6: Final answer
    x = 15,260.17

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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.