Home / 30,261.82-45,353.40-16,934.26

Finding the Fourth Proportional to 30,261.82, 45,353.40 and 16,934.26

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Solution

The fourth proportional to 30,261.82, 45,353.40 and 16,934.26 is: 25,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.82 : 45,353.40 = 16,934.26 : x
  2. Step 2: Convert to fraction form
    30,261.82/45,353.40 = 16,934.26/x
  3. Step 3: Cross multiply
    30,261.82x = 45,353.40 × 16,934.26
  4. Step 4: Simplify right side
    30,261.82x = 768,026,267.48
  5. Step 5: Solve for x
    x = 768,026,267.48/30,261.82
  6. Step 6: Final answer
    x = 25,379.38

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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.