Home / 37,638.36-51,940.98-21,723.84

Finding the Fourth Proportional to 37,638.36, 51,940.98 and 21,723.84

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Solution

The fourth proportional to 37,638.36, 51,940.98 and 21,723.84 is: 29,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.36 : 51,940.98 = 21,723.84 : x
  2. Step 2: Convert to fraction form
    37,638.36/51,940.98 = 21,723.84/x
  3. Step 3: Cross multiply
    37,638.36x = 51,940.98 × 21,723.84
  4. Step 4: Simplify right side
    37,638.36x = 1,128,357,538.96
  5. Step 5: Solve for x
    x = 1,128,357,538.96/37,638.36
  6. Step 6: Final answer
    x = 29,978.92

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1.5x scale

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.