Home / 55,997.40-83,801.70-51,331.80

Finding the Fourth Proportional to 55,997.40, 83,801.70 and 51,331.80

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Solution

The fourth proportional to 55,997.40, 83,801.70 and 51,331.80 is: 76,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997.40 : 83,801.70 = 51,331.80 : x
  2. Step 2: Convert to fraction form
    55,997.40/83,801.70 = 51,331.80/x
  3. Step 3: Cross multiply
    55,997.40x = 83,801.70 × 51,331.80
  4. Step 4: Simplify right side
    55,997.40x = 4,301,692,104.06
  5. Step 5: Solve for x
    x = 4,301,692,104.06/55,997.40
  6. Step 6: Final answer
    x = 76,819.50

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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.