Home / 37,431.72-51,655.77-21,519.27

Finding the Fourth Proportional to 37,431.72, 51,655.77 and 21,519.27

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Solution

The fourth proportional to 37,431.72, 51,655.77 and 21,519.27 is: 29,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.72 : 51,655.77 = 21,519.27 : x
  2. Step 2: Convert to fraction form
    37,431.72/51,655.77 = 21,519.27/x
  3. Step 3: Cross multiply
    37,431.72x = 51,655.77 × 21,519.27
  4. Step 4: Simplify right side
    37,431.72x = 1,111,594,461.69
  5. Step 5: Solve for x
    x = 1,111,594,461.69/37,431.72
  6. Step 6: Final answer
    x = 29,696.59

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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.