Home / 36,090.64-54,134.16-12,715.12

Finding the Fourth Proportional to 36,090.64, 54,134.16 and 12,715.12

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Solution

The fourth proportional to 36,090.64, 54,134.16 and 12,715.12 is: 19,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.64 : 54,134.16 = 12,715.12 : x
  2. Step 2: Convert to fraction form
    36,090.64/54,134.16 = 12,715.12/x
  3. Step 3: Cross multiply
    36,090.64x = 54,134.16 × 12,715.12
  4. Step 4: Simplify right side
    36,090.64x = 688,322,340.50
  5. Step 5: Solve for x
    x = 688,322,340.50/36,090.64
  6. Step 6: Final answer
    x = 19,072.05

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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.