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Finding the Fourth Proportional to 55,360.50, 76,397.49 and 33,004.50

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Solution

The fourth proportional to 55,360.50, 76,397.49 and 33,004.50 is: 45,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.50 : 76,397.49 = 33,004.50 : x
  2. Step 2: Convert to fraction form
    55,360.50/76,397.49 = 33,004.50/x
  3. Step 3: Cross multiply
    55,360.50x = 76,397.49 × 33,004.50
  4. Step 4: Simplify right side
    55,360.50x = 2,521,460,958.71
  5. Step 5: Solve for x
    x = 2,521,460,958.71/55,360.50
  6. Step 6: Final answer
    x = 45,546.21

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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.