Home / 30,703.56-42,367.92-17,274.53

Finding the Fourth Proportional to 30,703.56, 42,367.92 and 17,274.53

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Solution

The fourth proportional to 30,703.56, 42,367.92 and 17,274.53 is: 23,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.56 : 42,367.92 = 17,274.53 : x
  2. Step 2: Convert to fraction form
    30,703.56/42,367.92 = 17,274.53/x
  3. Step 3: Cross multiply
    30,703.56x = 42,367.92 × 17,274.53
  4. Step 4: Simplify right side
    30,703.56x = 731,885,693.24
  5. Step 5: Solve for x
    x = 731,885,693.24/30,703.56
  6. Step 6: Final answer
    x = 23,837.16

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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.