Home / 31,155.88-46,716.54-10,368.04

Finding the Fourth Proportional to 31,155.88, 46,716.54 and 10,368.04

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Solution

The fourth proportional to 31,155.88, 46,716.54 and 10,368.04 is: 15,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,155.88 : 46,716.54 = 10,368.04 : x
  2. Step 2: Convert to fraction form
    31,155.88/46,716.54 = 10,368.04/x
  3. Step 3: Cross multiply
    31,155.88x = 46,716.54 × 10,368.04
  4. Step 4: Simplify right side
    31,155.88x = 484,358,955.38
  5. Step 5: Solve for x
    x = 484,358,955.38/31,155.88
  6. Step 6: Final answer
    x = 15,546.31

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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.