Home / 31,314.87-46,931.40-27,356.60

Finding the Fourth Proportional to 31,314.87, 46,931.40 and 27,356.60

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Solution

The fourth proportional to 31,314.87, 46,931.40 and 27,356.60 is: 40,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.87 : 46,931.40 = 27,356.60 : x
  2. Step 2: Convert to fraction form
    31,314.87/46,931.40 = 27,356.60/x
  3. Step 3: Cross multiply
    31,314.87x = 46,931.40 × 27,356.60
  4. Step 4: Simplify right side
    31,314.87x = 1,283,883,654.57
  5. Step 5: Solve for x
    x = 1,283,883,654.57/31,314.87
  6. Step 6: Final answer
    x = 40,999.17

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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.