Home / 42,559.45-63,752.89-19,731.23

Finding the Fourth Proportional to 42,559.45, 63,752.89 and 19,731.23

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Solution

The fourth proportional to 42,559.45, 63,752.89 and 19,731.23 is: 29,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,559.45 : 63,752.89 = 19,731.23 : x
  2. Step 2: Convert to fraction form
    42,559.45/63,752.89 = 19,731.23/x
  3. Step 3: Cross multiply
    42,559.45x = 63,752.89 × 19,731.23
  4. Step 4: Simplify right side
    42,559.45x = 1,257,922,935.75
  5. Step 5: Solve for x
    x = 1,257,922,935.75/42,559.45
  6. Step 6: Final answer
    x = 29,556.84

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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.