Home / 31,007.48-46,523.66-11,287.40

Finding the Fourth Proportional to 31,007.48, 46,523.66 and 11,287.40

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Solution

The fourth proportional to 31,007.48, 46,523.66 and 11,287.40 is: 16,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.48 : 46,523.66 = 11,287.40 : x
  2. Step 2: Convert to fraction form
    31,007.48/46,523.66 = 11,287.40/x
  3. Step 3: Cross multiply
    31,007.48x = 46,523.66 × 11,287.40
  4. Step 4: Simplify right side
    31,007.48x = 525,131,159.88
  5. Step 5: Solve for x
    x = 525,131,159.88/31,007.48
  6. Step 6: Final answer
    x = 16,935.63

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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.