Home / 30,561.40-45,803.82-16,520.92

Finding the Fourth Proportional to 30,561.40, 45,803.82 and 16,520.92

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Solution

The fourth proportional to 30,561.40, 45,803.82 and 16,520.92 is: 24,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.40 : 45,803.82 = 16,520.92 : x
  2. Step 2: Convert to fraction form
    30,561.40/45,803.82 = 16,520.92/x
  3. Step 3: Cross multiply
    30,561.40x = 45,803.82 × 16,520.92
  4. Step 4: Simplify right side
    30,561.40x = 756,721,245.91
  5. Step 5: Solve for x
    x = 756,721,245.91/30,561.40
  6. Step 6: Final answer
    x = 24,760.69

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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.