Home / 30,070.05-45,126.94-13,448.85

Finding the Fourth Proportional to 30,070.05, 45,126.94 and 13,448.85

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Solution

The fourth proportional to 30,070.05, 45,126.94 and 13,448.85 is: 20,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.05 : 45,126.94 = 13,448.85 : x
  2. Step 2: Convert to fraction form
    30,070.05/45,126.94 = 13,448.85/x
  3. Step 3: Cross multiply
    30,070.05x = 45,126.94 × 13,448.85
  4. Step 4: Simplify right side
    30,070.05x = 606,905,447.02
  5. Step 5: Solve for x
    x = 606,905,447.02/30,070.05
  6. Step 6: Final answer
    x = 20,183.05

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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.