Home / 33,062.15-45,625.11-18,720.89

Finding the Fourth Proportional to 33,062.15, 45,625.11 and 18,720.89

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Solution

The fourth proportional to 33,062.15, 45,625.11 and 18,720.89 is: 25,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,062.15 : 45,625.11 = 18,720.89 : x
  2. Step 2: Convert to fraction form
    33,062.15/45,625.11 = 18,720.89/x
  3. Step 3: Cross multiply
    33,062.15x = 45,625.11 × 18,720.89
  4. Step 4: Simplify right side
    33,062.15x = 854,142,437.42
  5. Step 5: Solve for x
    x = 854,142,437.42/33,062.15
  6. Step 6: Final answer
    x = 25,834.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.