Home / 36,640.49-54,960.80-13,261.46

Finding the Fourth Proportional to 36,640.49, 54,960.80 and 13,261.46

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Solution

The fourth proportional to 36,640.49, 54,960.80 and 13,261.46 is: 19,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.49 : 54,960.80 = 13,261.46 : x
  2. Step 2: Convert to fraction form
    36,640.49/54,960.80 = 13,261.46/x
  3. Step 3: Cross multiply
    36,640.49x = 54,960.80 × 13,261.46
  4. Step 4: Simplify right side
    36,640.49x = 728,860,109.66
  5. Step 5: Solve for x
    x = 728,860,109.66/36,640.49
  6. Step 6: Final answer
    x = 19,892.21

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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.