Home / 30,948.65-46,394.31-11,221.91

Finding the Fourth Proportional to 30,948.65, 46,394.31 and 11,221.91

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Solution

The fourth proportional to 30,948.65, 46,394.31 and 11,221.91 is: 16,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.65 : 46,394.31 = 11,221.91 : x
  2. Step 2: Convert to fraction form
    30,948.65/46,394.31 = 11,221.91/x
  3. Step 3: Cross multiply
    30,948.65x = 46,394.31 × 11,221.91
  4. Step 4: Simplify right side
    30,948.65x = 520,632,929.40
  5. Step 5: Solve for x
    x = 520,632,929.40/30,948.65
  6. Step 6: Final answer
    x = 16,822.47

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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.