Home / 65,286.64-90,090.48-36,996.76

Finding the Fourth Proportional to 65,286.64, 90,090.48 and 36,996.76

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Solution

The fourth proportional to 65,286.64, 90,090.48 and 36,996.76 is: 51,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,286.64 : 90,090.48 = 36,996.76 : x
  2. Step 2: Convert to fraction form
    65,286.64/90,090.48 = 36,996.76/x
  3. Step 3: Cross multiply
    65,286.64x = 90,090.48 × 36,996.76
  4. Step 4: Simplify right side
    65,286.64x = 3,333,055,866.84
  5. Step 5: Solve for x
    x = 3,333,055,866.84/65,286.64
  6. Step 6: Final answer
    x = 51,052.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.