Home / 38,649.36-57,960.60-10,940.88

Finding the Fourth Proportional to 38,649.36, 57,960.60 and 10,940.88

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Solution

The fourth proportional to 38,649.36, 57,960.60 and 10,940.88 is: 16,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.36 : 57,960.60 = 10,940.88 : x
  2. Step 2: Convert to fraction form
    38,649.36/57,960.60 = 10,940.88/x
  3. Step 3: Cross multiply
    38,649.36x = 57,960.60 × 10,940.88
  4. Step 4: Simplify right side
    38,649.36x = 634,139,969.33
  5. Step 5: Solve for x
    x = 634,139,969.33/38,649.36
  6. Step 6: Final answer
    x = 16,407.52

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1.5x scale

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.