Home / 30,327.21-45,490.82-11,846.25

Finding the Fourth Proportional to 30,327.21, 45,490.82 and 11,846.25

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Solution

The fourth proportional to 30,327.21, 45,490.82 and 11,846.25 is: 17,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.21 : 45,490.82 = 11,846.25 : x
  2. Step 2: Convert to fraction form
    30,327.21/45,490.82 = 11,846.25/x
  3. Step 3: Cross multiply
    30,327.21x = 45,490.82 × 11,846.25
  4. Step 4: Simplify right side
    30,327.21x = 538,895,567.19
  5. Step 5: Solve for x
    x = 538,895,567.19/30,327.21
  6. Step 6: Final answer
    x = 17,769.38

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1.5x scale

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.