Home / 45,477.80-68,225.96-19,182.64

Finding the Fourth Proportional to 45,477.80, 68,225.96 and 19,182.64

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Solution

The fourth proportional to 45,477.80, 68,225.96 and 19,182.64 is: 28,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.80 : 68,225.96 = 19,182.64 : x
  2. Step 2: Convert to fraction form
    45,477.80/68,225.96 = 19,182.64/x
  3. Step 3: Cross multiply
    45,477.80x = 68,225.96 × 19,182.64
  4. Step 4: Simplify right side
    45,477.80x = 1,308,754,029.33
  5. Step 5: Solve for x
    x = 1,308,754,029.33/45,477.80
  6. Step 6: Final answer
    x = 28,777.87

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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.