Home / 37,448.36-51,678.40-20,681

Finding the Fourth Proportional to 37,448.36, 51,678.40 and 20,681

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Solution

The fourth proportional to 37,448.36, 51,678.40 and 20,681 is: 28,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,448.36 : 51,678.40 = 20,681 : x
  2. Step 2: Convert to fraction form
    37,448.36/51,678.40 = 20,681/x
  3. Step 3: Cross multiply
    37,448.36x = 51,678.40 × 20,681
  4. Step 4: Simplify right side
    37,448.36x = 1,068,760,990.40
  5. Step 5: Solve for x
    x = 1,068,760,990.40/37,448.36
  6. Step 6: Final answer
    x = 28,539.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.