Home / 30,751.25-42,440.76-17,325.14

Finding the Fourth Proportional to 30,751.25, 42,440.76 and 17,325.14

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Solution

The fourth proportional to 30,751.25, 42,440.76 and 17,325.14 is: 23,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.25 : 42,440.76 = 17,325.14 : x
  2. Step 2: Convert to fraction form
    30,751.25/42,440.76 = 17,325.14/x
  3. Step 3: Cross multiply
    30,751.25x = 42,440.76 × 17,325.14
  4. Step 4: Simplify right side
    30,751.25x = 735,291,896.50
  5. Step 5: Solve for x
    x = 735,291,896.50/30,751.25
  6. Step 6: Final answer
    x = 23,910.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.