Home / 30,703.32-42,367.38-17,273.43

Finding the Fourth Proportional to 30,703.32, 42,367.38 and 17,273.43

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Solution

The fourth proportional to 30,703.32, 42,367.38 and 17,273.43 is: 23,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.32 : 42,367.38 = 17,273.43 : x
  2. Step 2: Convert to fraction form
    30,703.32/42,367.38 = 17,273.43/x
  3. Step 3: Cross multiply
    30,703.32x = 42,367.38 × 17,273.43
  4. Step 4: Simplify right side
    30,703.32x = 731,829,972.71
  5. Step 5: Solve for x
    x = 731,829,972.71/30,703.32
  6. Step 6: Final answer
    x = 23,835.53

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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.