Home / 33,220.96-45,844.34-18,113.74

Finding the Fourth Proportional to 33,220.96, 45,844.34 and 18,113.74

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Solution

The fourth proportional to 33,220.96, 45,844.34 and 18,113.74 is: 24,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.96 : 45,844.34 = 18,113.74 : x
  2. Step 2: Convert to fraction form
    33,220.96/45,844.34 = 18,113.74/x
  3. Step 3: Cross multiply
    33,220.96x = 45,844.34 × 18,113.74
  4. Step 4: Simplify right side
    33,220.96x = 830,412,455.23
  5. Step 5: Solve for x
    x = 830,412,455.23/33,220.96
  6. Step 6: Final answer
    x = 24,996.64

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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.