Home / 30,999.33-42,775.56-17,567.71

Finding the Fourth Proportional to 30,999.33, 42,775.56 and 17,567.71

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Solution

The fourth proportional to 30,999.33, 42,775.56 and 17,567.71 is: 24,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,999.33 : 42,775.56 = 17,567.71 : x
  2. Step 2: Convert to fraction form
    30,999.33/42,775.56 = 17,567.71/x
  3. Step 3: Cross multiply
    30,999.33x = 42,775.56 × 17,567.71
  4. Step 4: Simplify right side
    30,999.33x = 751,468,526.23
  5. Step 5: Solve for x
    x = 751,468,526.23/30,999.33
  6. Step 6: Final answer
    x = 24,241.44

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1.5x scale

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.