Home / 37,041.12-51,116.64-20,274

Finding the Fourth Proportional to 37,041.12, 51,116.64 and 20,274

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Solution

The fourth proportional to 37,041.12, 51,116.64 and 20,274 is: 27,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.12 : 51,116.64 = 20,274 : x
  2. Step 2: Convert to fraction form
    37,041.12/51,116.64 = 20,274/x
  3. Step 3: Cross multiply
    37,041.12x = 51,116.64 × 20,274
  4. Step 4: Simplify right side
    37,041.12x = 1,036,338,759.36
  5. Step 5: Solve for x
    x = 1,036,338,759.36/37,041.12
  6. Step 6: Final answer
    x = 27,978.06

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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.