Home / 30,588.88-45,805.56-28,022.80

Finding the Fourth Proportional to 30,588.88, 45,805.56 and 28,022.80

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Solution

The fourth proportional to 30,588.88, 45,805.56 and 28,022.80 is: 41,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.88 : 45,805.56 = 28,022.80 : x
  2. Step 2: Convert to fraction form
    30,588.88/45,805.56 = 28,022.80/x
  3. Step 3: Cross multiply
    30,588.88x = 45,805.56 × 28,022.80
  4. Step 4: Simplify right side
    30,588.88x = 1,283,600,046.77
  5. Step 5: Solve for x
    x = 1,283,600,046.77/30,588.88
  6. Step 6: Final answer
    x = 41,962.96

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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.