Home / 35,729.76-49,312.72-21,584.64

Finding the Fourth Proportional to 35,729.76, 49,312.72 and 21,584.64

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Solution

The fourth proportional to 35,729.76, 49,312.72 and 21,584.64 is: 29,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.76 : 49,312.72 = 21,584.64 : x
  2. Step 2: Convert to fraction form
    35,729.76/49,312.72 = 21,584.64/x
  3. Step 3: Cross multiply
    35,729.76x = 49,312.72 × 21,584.64
  4. Step 4: Simplify right side
    35,729.76x = 1,064,397,308.62
  5. Step 5: Solve for x
    x = 1,064,397,308.62/35,729.76
  6. Step 6: Final answer
    x = 29,790.22

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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.