Home / 33,124.24-45,699.78-18,781.93

Finding the Fourth Proportional to 33,124.24, 45,699.78 and 18,781.93

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Solution

The fourth proportional to 33,124.24, 45,699.78 and 18,781.93 is: 25,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.24 : 45,699.78 = 18,781.93 : x
  2. Step 2: Convert to fraction form
    33,124.24/45,699.78 = 18,781.93/x
  3. Step 3: Cross multiply
    33,124.24x = 45,699.78 × 18,781.93
  4. Step 4: Simplify right side
    33,124.24x = 858,330,068.98
  5. Step 5: Solve for x
    x = 858,330,068.98/33,124.24
  6. Step 6: Final answer
    x = 25,912.45

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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.