Home / 67,217.79-100,889.00-33,961.28

Finding the Fourth Proportional to 67,217.79, 100,889.00 and 33,961.28

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Solution

The fourth proportional to 67,217.79, 100,889.00 and 33,961.28 is: 50,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.79 : 100,889.00 = 33,961.28 : x
  2. Step 2: Convert to fraction form
    67,217.79/100,889.00 = 33,961.28/x
  3. Step 3: Cross multiply
    67,217.79x = 100,889.00 × 33,961.28
  4. Step 4: Simplify right side
    67,217.79x = 3,426,319,409.36
  5. Step 5: Solve for x
    x = 3,426,319,409.36/67,217.79
  6. Step 6: Final answer
    x = 50,973.40

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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.