Home / 30,331.88-41,858.10-17,587.56

Finding the Fourth Proportional to 30,331.88, 41,858.10 and 17,587.56

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Solution

The fourth proportional to 30,331.88, 41,858.10 and 17,587.56 is: 24,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.88 : 41,858.10 = 17,587.56 : x
  2. Step 2: Convert to fraction form
    30,331.88/41,858.10 = 17,587.56/x
  3. Step 3: Cross multiply
    30,331.88x = 41,858.10 × 17,587.56
  4. Step 4: Simplify right side
    30,331.88x = 736,181,845.24
  5. Step 5: Solve for x
    x = 736,181,845.24/30,331.88
  6. Step 6: Final answer
    x = 24,270.89

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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.