Home / 51,333.52-77,037.14-21,759.64

Finding the Fourth Proportional to 51,333.52, 77,037.14 and 21,759.64

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Solution

The fourth proportional to 51,333.52, 77,037.14 and 21,759.64 is: 32,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,333.52 : 77,037.14 = 21,759.64 : x
  2. Step 2: Convert to fraction form
    51,333.52/77,037.14 = 21,759.64/x
  3. Step 3: Cross multiply
    51,333.52x = 77,037.14 × 21,759.64
  4. Step 4: Simplify right side
    51,333.52x = 1,676,300,433.03
  5. Step 5: Solve for x
    x = 1,676,300,433.03/51,333.52
  6. Step 6: Final answer
    x = 32,655.08

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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.