Home / 30,508.68-45,762.96-20,044.80

Finding the Fourth Proportional to 30,508.68, 45,762.96 and 20,044.80

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Solution

The fourth proportional to 30,508.68, 45,762.96 and 20,044.80 is: 30,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.68 : 45,762.96 = 20,044.80 : x
  2. Step 2: Convert to fraction form
    30,508.68/45,762.96 = 20,044.80/x
  3. Step 3: Cross multiply
    30,508.68x = 45,762.96 × 20,044.80
  4. Step 4: Simplify right side
    30,508.68x = 917,309,380.61
  5. Step 5: Solve for x
    x = 917,309,380.61/30,508.68
  6. Step 6: Final answer
    x = 30,067.16

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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.