Home / 36,534.11-54,801.63-12,840.70

Finding the Fourth Proportional to 36,534.11, 54,801.63 and 12,840.70

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Solution

The fourth proportional to 36,534.11, 54,801.63 and 12,840.70 is: 19,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,534.11 : 54,801.63 = 12,840.70 : x
  2. Step 2: Convert to fraction form
    36,534.11/54,801.63 = 12,840.70/x
  3. Step 3: Cross multiply
    36,534.11x = 54,801.63 × 12,840.70
  4. Step 4: Simplify right side
    36,534.11x = 703,691,290.34
  5. Step 5: Solve for x
    x = 703,691,290.34/36,534.11
  6. Step 6: Final answer
    x = 19,261.21

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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.