Home / 31,145.25-46,718.28-10,368.75

Finding the Fourth Proportional to 31,145.25, 46,718.28 and 10,368.75

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Solution

The fourth proportional to 31,145.25, 46,718.28 and 10,368.75 is: 15,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145.25 : 46,718.28 = 10,368.75 : x
  2. Step 2: Convert to fraction form
    31,145.25/46,718.28 = 10,368.75/x
  3. Step 3: Cross multiply
    31,145.25x = 46,718.28 × 10,368.75
  4. Step 4: Simplify right side
    31,145.25x = 484,410,165.75
  5. Step 5: Solve for x
    x = 484,410,165.75/31,145.25
  6. Step 6: Final answer
    x = 15,553.26

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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.