Home / 30,453.59-45,649.26-17,278.13

Finding the Fourth Proportional to 30,453.59, 45,649.26 and 17,278.13

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Solution

The fourth proportional to 30,453.59, 45,649.26 and 17,278.13 is: 25,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.59 : 45,649.26 = 17,278.13 : x
  2. Step 2: Convert to fraction form
    30,453.59/45,649.26 = 17,278.13/x
  3. Step 3: Cross multiply
    30,453.59x = 45,649.26 × 17,278.13
  4. Step 4: Simplify right side
    30,453.59x = 788,733,620.44
  5. Step 5: Solve for x
    x = 788,733,620.44/30,453.59
  6. Step 6: Final answer
    x = 25,899.53

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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.