Home / 31,215.24-46,813.12-10,433.88

Finding the Fourth Proportional to 31,215.24, 46,813.12 and 10,433.88

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Solution

The fourth proportional to 31,215.24, 46,813.12 and 10,433.88 is: 15,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.24 : 46,813.12 = 10,433.88 : x
  2. Step 2: Convert to fraction form
    31,215.24/46,813.12 = 10,433.88/x
  3. Step 3: Cross multiply
    31,215.24x = 46,813.12 × 10,433.88
  4. Step 4: Simplify right side
    31,215.24x = 488,442,476.51
  5. Step 5: Solve for x
    x = 488,442,476.51/31,215.24
  6. Step 6: Final answer
    x = 15,647.56

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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.