Home / 30,928.49-46,417.32-11,212.68

Finding the Fourth Proportional to 30,928.49, 46,417.32 and 11,212.68

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Solution

The fourth proportional to 30,928.49, 46,417.32 and 11,212.68 is: 16,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.49 : 46,417.32 = 11,212.68 : x
  2. Step 2: Convert to fraction form
    30,928.49/46,417.32 = 11,212.68/x
  3. Step 3: Cross multiply
    30,928.49x = 46,417.32 × 11,212.68
  4. Step 4: Simplify right side
    30,928.49x = 520,462,555.62
  5. Step 5: Solve for x
    x = 520,462,555.62/30,928.49
  6. Step 6: Final answer
    x = 16,827.93

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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.