Home / 30,024.28-45,036.45-7,837.62

Finding the Fourth Proportional to 30,024.28, 45,036.45 and 7,837.62

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Solution

The fourth proportional to 30,024.28, 45,036.45 and 7,837.62 is: 11,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,024.28 : 45,036.45 = 7,837.62 : x
  2. Step 2: Convert to fraction form
    30,024.28/45,036.45 = 7,837.62/x
  3. Step 3: Cross multiply
    30,024.28x = 45,036.45 × 7,837.62
  4. Step 4: Simplify right side
    30,024.28x = 352,978,542.06
  5. Step 5: Solve for x
    x = 352,978,542.06/30,024.28
  6. Step 6: Final answer
    x = 11,756.44

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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.