Home / 33,124.92-45,697.31-19,688.54

Finding the Fourth Proportional to 33,124.92, 45,697.31 and 19,688.54

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Solution

The fourth proportional to 33,124.92, 45,697.31 and 19,688.54 is: 27,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.92 : 45,697.31 = 19,688.54 : x
  2. Step 2: Convert to fraction form
    33,124.92/45,697.31 = 19,688.54/x
  3. Step 3: Cross multiply
    33,124.92x = 45,697.31 × 19,688.54
  4. Step 4: Simplify right side
    33,124.92x = 899,713,307.93
  5. Step 5: Solve for x
    x = 899,713,307.93/33,124.92
  6. Step 6: Final answer
    x = 27,161.22

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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.