Home / 30,108.32-45,154.20-16,764.92

Finding the Fourth Proportional to 30,108.32, 45,154.20 and 16,764.92

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Solution

The fourth proportional to 30,108.32, 45,154.20 and 16,764.92 is: 25,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.32 : 45,154.20 = 16,764.92 : x
  2. Step 2: Convert to fraction form
    30,108.32/45,154.20 = 16,764.92/x
  3. Step 3: Cross multiply
    30,108.32x = 45,154.20 × 16,764.92
  4. Step 4: Simplify right side
    30,108.32x = 757,006,550.66
  5. Step 5: Solve for x
    x = 757,006,550.66/30,108.32
  6. Step 6: Final answer
    x = 25,142.77

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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.