Home / 30,258.33-45,393.66-10,538.43

Finding the Fourth Proportional to 30,258.33, 45,393.66 and 10,538.43

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Solution

The fourth proportional to 30,258.33, 45,393.66 and 10,538.43 is: 15,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.33 : 45,393.66 = 10,538.43 : x
  2. Step 2: Convert to fraction form
    30,258.33/45,393.66 = 10,538.43/x
  3. Step 3: Cross multiply
    30,258.33x = 45,393.66 × 10,538.43
  4. Step 4: Simplify right side
    30,258.33x = 478,377,908.35
  5. Step 5: Solve for x
    x = 478,377,908.35/30,258.33
  6. Step 6: Final answer
    x = 15,809.79

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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.