Home / 53,941.60-80,912.40-35,279.20

Finding the Fourth Proportional to 53,941.60, 80,912.40 and 35,279.20

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Solution

The fourth proportional to 53,941.60, 80,912.40 and 35,279.20 is: 52,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,941.60 : 80,912.40 = 35,279.20 : x
  2. Step 2: Convert to fraction form
    53,941.60/80,912.40 = 35,279.20/x
  3. Step 3: Cross multiply
    53,941.60x = 80,912.40 × 35,279.20
  4. Step 4: Simplify right side
    53,941.60x = 2,854,524,742.08
  5. Step 5: Solve for x
    x = 2,854,524,742.08/53,941.60
  6. Step 6: Final answer
    x = 52,918.80

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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.