Home / 45,410.86-68,126.67-13,825.42

Finding the Fourth Proportional to 45,410.86, 68,126.67 and 13,825.42

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Solution

The fourth proportional to 45,410.86, 68,126.67 and 13,825.42 is: 20,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.86 : 68,126.67 = 13,825.42 : x
  2. Step 2: Convert to fraction form
    45,410.86/68,126.67 = 13,825.42/x
  3. Step 3: Cross multiply
    45,410.86x = 68,126.67 × 13,825.42
  4. Step 4: Simplify right side
    45,410.86x = 941,879,655.63
  5. Step 5: Solve for x
    x = 941,879,655.63/45,410.86
  6. Step 6: Final answer
    x = 20,741.29

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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.