Home / 42,837.41-64,271.49-19,142.97

Finding the Fourth Proportional to 42,837.41, 64,271.49 and 19,142.97

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Solution

The fourth proportional to 42,837.41, 64,271.49 and 19,142.97 is: 28,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.41 : 64,271.49 = 19,142.97 : x
  2. Step 2: Convert to fraction form
    42,837.41/64,271.49 = 19,142.97/x
  3. Step 3: Cross multiply
    42,837.41x = 64,271.49 × 19,142.97
  4. Step 4: Simplify right side
    42,837.41x = 1,230,347,190.19
  5. Step 5: Solve for x
    x = 1,230,347,190.19/42,837.41
  6. Step 6: Final answer
    x = 28,721.33

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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.