Home / 30,830.90-46,246.35-11,115.62

Finding the Fourth Proportional to 30,830.90, 46,246.35 and 11,115.62

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Solution

The fourth proportional to 30,830.90, 46,246.35 and 11,115.62 is: 16,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.90 : 46,246.35 = 11,115.62 : x
  2. Step 2: Convert to fraction form
    30,830.90/46,246.35 = 11,115.62/x
  3. Step 3: Cross multiply
    30,830.90x = 46,246.35 × 11,115.62
  4. Step 4: Simplify right side
    30,830.90x = 514,056,852.99
  5. Step 5: Solve for x
    x = 514,056,852.99/30,830.90
  6. Step 6: Final answer
    x = 16,673.43

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Double scale
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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.