Home / 33,060.81-45,623.96-18,913.69

Finding the Fourth Proportional to 33,060.81, 45,623.96 and 18,913.69

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Solution

The fourth proportional to 33,060.81, 45,623.96 and 18,913.69 is: 26,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,060.81 : 45,623.96 = 18,913.69 : x
  2. Step 2: Convert to fraction form
    33,060.81/45,623.96 = 18,913.69/x
  3. Step 3: Cross multiply
    33,060.81x = 45,623.96 × 18,913.69
  4. Step 4: Simplify right side
    33,060.81x = 862,917,436.01
  5. Step 5: Solve for x
    x = 862,917,436.01/33,060.81
  6. Step 6: Final answer
    x = 26,100.92

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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.