Home / 30,110.43-45,157.37-12,577.35

Finding the Fourth Proportional to 30,110.43, 45,157.37 and 12,577.35

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Solution

The fourth proportional to 30,110.43, 45,157.37 and 12,577.35 is: 18,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.43 : 45,157.37 = 12,577.35 : x
  2. Step 2: Convert to fraction form
    30,110.43/45,157.37 = 12,577.35/x
  3. Step 3: Cross multiply
    30,110.43x = 45,157.37 × 12,577.35
  4. Step 4: Simplify right side
    30,110.43x = 567,959,984.68
  5. Step 5: Solve for x
    x = 567,959,984.68/30,110.43
  6. Step 6: Final answer
    x = 18,862.57

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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.