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Finding the Fourth Proportional to 45,995.50, 69,009.90 and 22,638.34

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Solution

The fourth proportional to 45,995.50, 69,009.90 and 22,638.34 is: 33,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,995.50 : 69,009.90 = 22,638.34 : x
  2. Step 2: Convert to fraction form
    45,995.50/69,009.90 = 22,638.34/x
  3. Step 3: Cross multiply
    45,995.50x = 69,009.90 × 22,638.34
  4. Step 4: Simplify right side
    45,995.50x = 1,562,269,579.57
  5. Step 5: Solve for x
    x = 1,562,269,579.57/45,995.50
  6. Step 6: Final answer
    x = 33,965.70

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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.