Home / 30,408.77-45,619.56-11,433.52

Finding the Fourth Proportional to 30,408.77, 45,619.56 and 11,433.52

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Solution

The fourth proportional to 30,408.77, 45,619.56 and 11,433.52 is: 17,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.77 : 45,619.56 = 11,433.52 : x
  2. Step 2: Convert to fraction form
    30,408.77/45,619.56 = 11,433.52/x
  3. Step 3: Cross multiply
    30,408.77x = 45,619.56 × 11,433.52
  4. Step 4: Simplify right side
    30,408.77x = 521,592,237.12
  5. Step 5: Solve for x
    x = 521,592,237.12/30,408.77
  6. Step 6: Final answer
    x = 17,152.69

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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.