Home / 42,907.99-64,362-11,743.24

Finding the Fourth Proportional to 42,907.99, 64,362 and 11,743.24

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Solution

The fourth proportional to 42,907.99, 64,362 and 11,743.24 is: 17,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,907.99 : 64,362 = 11,743.24 : x
  2. Step 2: Convert to fraction form
    42,907.99/64,362 = 11,743.24/x
  3. Step 3: Cross multiply
    42,907.99x = 64,362 × 11,743.24
  4. Step 4: Simplify right side
    42,907.99x = 755,818,412.88
  5. Step 5: Solve for x
    x = 755,818,412.88/42,907.99
  6. Step 6: Final answer
    x = 17,614.86

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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.