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Finding the Fourth Proportional to 55,784.79, 83,651.67 and 33,305.67

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Solution

The fourth proportional to 55,784.79, 83,651.67 and 33,305.67 is: 49,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.79 : 83,651.67 = 33,305.67 : x
  2. Step 2: Convert to fraction form
    55,784.79/83,651.67 = 33,305.67/x
  3. Step 3: Cross multiply
    55,784.79x = 83,651.67 × 33,305.67
  4. Step 4: Simplify right side
    55,784.79x = 2,786,074,915.97
  5. Step 5: Solve for x
    x = 2,786,074,915.97/55,784.79
  6. Step 6: Final answer
    x = 49,943.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.