Home / 55,307.64-82,961.76-13,754.64

Finding the Fourth Proportional to 55,307.64, 82,961.76 and 13,754.64

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Solution

The fourth proportional to 55,307.64, 82,961.76 and 13,754.64 is: 20,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.64 : 82,961.76 = 13,754.64 : x
  2. Step 2: Convert to fraction form
    55,307.64/82,961.76 = 13,754.64/x
  3. Step 3: Cross multiply
    55,307.64x = 82,961.76 × 13,754.64
  4. Step 4: Simplify right side
    55,307.64x = 1,141,109,142.57
  5. Step 5: Solve for x
    x = 1,141,109,142.57/55,307.64
  6. Step 6: Final answer
    x = 20,632.03

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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.