Home / 57,327.40-85,991.10-51,203.80

Finding the Fourth Proportional to 57,327.40, 85,991.10 and 51,203.80

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Solution

The fourth proportional to 57,327.40, 85,991.10 and 51,203.80 is: 76,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.40 : 85,991.10 = 51,203.80 : x
  2. Step 2: Convert to fraction form
    57,327.40/85,991.10 = 51,203.80/x
  3. Step 3: Cross multiply
    57,327.40x = 85,991.10 × 51,203.80
  4. Step 4: Simplify right side
    57,327.40x = 4,403,071,086.18
  5. Step 5: Solve for x
    x = 4,403,071,086.18/57,327.40
  6. Step 6: Final answer
    x = 76,805.70

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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.