Home / 31,317.24-46,987.74-18,845.88

Finding the Fourth Proportional to 31,317.24, 46,987.74 and 18,845.88

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Solution

The fourth proportional to 31,317.24, 46,987.74 and 18,845.88 is: 28,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.24 : 46,987.74 = 18,845.88 : x
  2. Step 2: Convert to fraction form
    31,317.24/46,987.74 = 18,845.88/x
  3. Step 3: Cross multiply
    31,317.24x = 46,987.74 × 18,845.88
  4. Step 4: Simplify right side
    31,317.24x = 885,525,309.51
  5. Step 5: Solve for x
    x = 885,525,309.51/31,317.24
  6. Step 6: Final answer
    x = 28,275.97

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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.