Home / 30,905.12-46,358.76-17,751.44

Finding the Fourth Proportional to 30,905.12, 46,358.76 and 17,751.44

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Solution

The fourth proportional to 30,905.12, 46,358.76 and 17,751.44 is: 26,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.12 : 46,358.76 = 17,751.44 : x
  2. Step 2: Convert to fraction form
    30,905.12/46,358.76 = 17,751.44/x
  3. Step 3: Cross multiply
    30,905.12x = 46,358.76 × 17,751.44
  4. Step 4: Simplify right side
    30,905.12x = 822,934,746.61
  5. Step 5: Solve for x
    x = 822,934,746.61/30,905.12
  6. Step 6: Final answer
    x = 26,627.78

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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.