Home / 30,702.06-42,365.85-17,273.03

Finding the Fourth Proportional to 30,702.06, 42,365.85 and 17,273.03

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Solution

The fourth proportional to 30,702.06, 42,365.85 and 17,273.03 is: 23,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.06 : 42,365.85 = 17,273.03 : x
  2. Step 2: Convert to fraction form
    30,702.06/42,365.85 = 17,273.03/x
  3. Step 3: Cross multiply
    30,702.06x = 42,365.85 × 17,273.03
  4. Step 4: Simplify right side
    30,702.06x = 731,786,386.20
  5. Step 5: Solve for x
    x = 731,786,386.20/30,702.06
  6. Step 6: Final answer
    x = 23,835.09

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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.