Home / 64,728.45-97,130.34-27,286.20

Finding the Fourth Proportional to 64,728.45, 97,130.34 and 27,286.20

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Solution

The fourth proportional to 64,728.45, 97,130.34 and 27,286.20 is: 40,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,728.45 : 97,130.34 = 27,286.20 : x
  2. Step 2: Convert to fraction form
    64,728.45/97,130.34 = 27,286.20/x
  3. Step 3: Cross multiply
    64,728.45x = 97,130.34 × 27,286.20
  4. Step 4: Simplify right side
    64,728.45x = 2,650,317,883.31
  5. Step 5: Solve for x
    x = 2,650,317,883.31/64,728.45
  6. Step 6: Final answer
    x = 40,945.18

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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.