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Finding the Fourth Proportional to 57,335.60, 86,027.64 and 27,775.40

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Solution

The fourth proportional to 57,335.60, 86,027.64 and 27,775.40 is: 41,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.60 : 86,027.64 = 27,775.40 : x
  2. Step 2: Convert to fraction form
    57,335.60/86,027.64 = 27,775.40/x
  3. Step 3: Cross multiply
    57,335.60x = 86,027.64 × 27,775.40
  4. Step 4: Simplify right side
    57,335.60x = 2,389,452,112.06
  5. Step 5: Solve for x
    x = 2,389,452,112.06/57,335.60
  6. Step 6: Final answer
    x = 41,674.84

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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.