Home / 30,343.05-45,519.42-8,997.93

Finding the Fourth Proportional to 30,343.05, 45,519.42 and 8,997.93

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Solution

The fourth proportional to 30,343.05, 45,519.42 and 8,997.93 is: 13,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.05 : 45,519.42 = 8,997.93 : x
  2. Step 2: Convert to fraction form
    30,343.05/45,519.42 = 8,997.93/x
  3. Step 3: Cross multiply
    30,343.05x = 45,519.42 × 8,997.93
  4. Step 4: Simplify right side
    30,343.05x = 409,580,554.80
  5. Step 5: Solve for x
    x = 409,580,554.80/30,343.05
  6. Step 6: Final answer
    x = 13,498.33

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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.