Home / 42,409.38-63,614.07-19,029.54

Finding the Fourth Proportional to 42,409.38, 63,614.07 and 19,029.54

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Solution

The fourth proportional to 42,409.38, 63,614.07 and 19,029.54 is: 28,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409.38 : 63,614.07 = 19,029.54 : x
  2. Step 2: Convert to fraction form
    42,409.38/63,614.07 = 19,029.54/x
  3. Step 3: Cross multiply
    42,409.38x = 63,614.07 × 19,029.54
  4. Step 4: Simplify right side
    42,409.38x = 1,210,546,489.63
  5. Step 5: Solve for x
    x = 1,210,546,489.63/42,409.38
  6. Step 6: Final answer
    x = 28,544.31

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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.