Home / 30,028-41,448.36-18,850

Finding the Fourth Proportional to 30,028, 41,448.36 and 18,850

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Solution

The fourth proportional to 30,028, 41,448.36 and 18,850 is: 26,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028 : 41,448.36 = 18,850 : x
  2. Step 2: Convert to fraction form
    30,028/41,448.36 = 18,850/x
  3. Step 3: Cross multiply
    30,028x = 41,448.36 × 18,850
  4. Step 4: Simplify right side
    30,028x = 781,301,586
  5. Step 5: Solve for x
    x = 781,301,586/30,028
  6. Step 6: Final answer
    x = 26,019.10

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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.