Home / 30,492.92-45,739.46-20,029.04

Finding the Fourth Proportional to 30,492.92, 45,739.46 and 20,029.04

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Solution

The fourth proportional to 30,492.92, 45,739.46 and 20,029.04 is: 30,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492.92 : 45,739.46 = 20,029.04 : x
  2. Step 2: Convert to fraction form
    30,492.92/45,739.46 = 20,029.04/x
  3. Step 3: Cross multiply
    30,492.92x = 45,739.46 × 20,029.04
  4. Step 4: Simplify right side
    30,492.92x = 916,117,473.92
  5. Step 5: Solve for x
    x = 916,117,473.92/30,492.92
  6. Step 6: Final answer
    x = 30,043.61

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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.