Home / 30,948.58-46,381.31-16,887.54

Finding the Fourth Proportional to 30,948.58, 46,381.31 and 16,887.54

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Solution

The fourth proportional to 30,948.58, 46,381.31 and 16,887.54 is: 25,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.58 : 46,381.31 = 16,887.54 : x
  2. Step 2: Convert to fraction form
    30,948.58/46,381.31 = 16,887.54/x
  3. Step 3: Cross multiply
    30,948.58x = 46,381.31 × 16,887.54
  4. Step 4: Simplify right side
    30,948.58x = 783,266,227.88
  5. Step 5: Solve for x
    x = 783,266,227.88/30,948.58
  6. Step 6: Final answer
    x = 25,308.63

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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.