Home / 30,145.40-41,601.09-16,534.73

Finding the Fourth Proportional to 30,145.40, 41,601.09 and 16,534.73

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Solution

The fourth proportional to 30,145.40, 41,601.09 and 16,534.73 is: 22,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.40 : 41,601.09 = 16,534.73 : x
  2. Step 2: Convert to fraction form
    30,145.40/41,601.09 = 16,534.73/x
  3. Step 3: Cross multiply
    30,145.40x = 41,601.09 × 16,534.73
  4. Step 4: Simplify right side
    30,145.40x = 687,862,790.86
  5. Step 5: Solve for x
    x = 687,862,790.86/30,145.40
  6. Step 6: Final answer
    x = 22,818.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.