Home / 56,005.20-83,910.60-36,273.60

Finding the Fourth Proportional to 56,005.20, 83,910.60 and 36,273.60

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Solution

The fourth proportional to 56,005.20, 83,910.60 and 36,273.60 is: 54,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005.20 : 83,910.60 = 36,273.60 : x
  2. Step 2: Convert to fraction form
    56,005.20/83,910.60 = 36,273.60/x
  3. Step 3: Cross multiply
    56,005.20x = 83,910.60 × 36,273.60
  4. Step 4: Simplify right side
    56,005.20x = 3,043,739,540.16
  5. Step 5: Solve for x
    x = 3,043,739,540.16/56,005.20
  6. Step 6: Final answer
    x = 54,347.45

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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.