Home / 45,530.88-68,296.80-19,232.16

Finding the Fourth Proportional to 45,530.88, 68,296.80 and 19,232.16

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Solution

The fourth proportional to 45,530.88, 68,296.80 and 19,232.16 is: 28,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,530.88 : 68,296.80 = 19,232.16 : x
  2. Step 2: Convert to fraction form
    45,530.88/68,296.80 = 19,232.16/x
  3. Step 3: Cross multiply
    45,530.88x = 68,296.80 × 19,232.16
  4. Step 4: Simplify right side
    45,530.88x = 1,313,494,985.09
  5. Step 5: Solve for x
    x = 1,313,494,985.09/45,530.88
  6. Step 6: Final answer
    x = 28,848.44

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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.