Home / 36,881.16-55,321.89-13,507.59

Finding the Fourth Proportional to 36,881.16, 55,321.89 and 13,507.59

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Solution

The fourth proportional to 36,881.16, 55,321.89 and 13,507.59 is: 20,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.16 : 55,321.89 = 13,507.59 : x
  2. Step 2: Convert to fraction form
    36,881.16/55,321.89 = 13,507.59/x
  3. Step 3: Cross multiply
    36,881.16x = 55,321.89 × 13,507.59
  4. Step 4: Simplify right side
    36,881.16x = 747,265,564.95
  5. Step 5: Solve for x
    x = 747,265,564.95/36,881.16
  6. Step 6: Final answer
    x = 20,261.45

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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.