Home / 30,890.09-46,299.33-14,215.13

Finding the Fourth Proportional to 30,890.09, 46,299.33 and 14,215.13

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Solution

The fourth proportional to 30,890.09, 46,299.33 and 14,215.13 is: 21,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.09 : 46,299.33 = 14,215.13 : x
  2. Step 2: Convert to fraction form
    30,890.09/46,299.33 = 14,215.13/x
  3. Step 3: Cross multiply
    30,890.09x = 46,299.33 × 14,215.13
  4. Step 4: Simplify right side
    30,890.09x = 658,150,994.86
  5. Step 5: Solve for x
    x = 658,150,994.86/30,890.09
  6. Step 6: Final answer
    x = 21,306.22

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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.