Home / 51,102.09-76,664.04-21,533.85

Finding the Fourth Proportional to 51,102.09, 76,664.04 and 21,533.85

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Solution

The fourth proportional to 51,102.09, 76,664.04 and 21,533.85 is: 32,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.09 : 76,664.04 = 21,533.85 : x
  2. Step 2: Convert to fraction form
    51,102.09/76,664.04 = 21,533.85/x
  3. Step 3: Cross multiply
    51,102.09x = 76,664.04 × 21,533.85
  4. Step 4: Simplify right side
    51,102.09x = 1,650,871,937.75
  5. Step 5: Solve for x
    x = 1,650,871,937.75/51,102.09
  6. Step 6: Final answer
    x = 32,305.37

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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.