Home / 30,371.88-45,557.82-16,312.56

Finding the Fourth Proportional to 30,371.88, 45,557.82 and 16,312.56

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Solution

The fourth proportional to 30,371.88, 45,557.82 and 16,312.56 is: 24,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.88 : 45,557.82 = 16,312.56 : x
  2. Step 2: Convert to fraction form
    30,371.88/45,557.82 = 16,312.56/x
  3. Step 3: Cross multiply
    30,371.88x = 45,557.82 × 16,312.56
  4. Step 4: Simplify right side
    30,371.88x = 743,164,672.22
  5. Step 5: Solve for x
    x = 743,164,672.22/30,371.88
  6. Step 6: Final answer
    x = 24,468.84

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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.