Home / 36,129.51-54,199.89-21,349.08

Finding the Fourth Proportional to 36,129.51, 54,199.89 and 21,349.08

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Solution

The fourth proportional to 36,129.51, 54,199.89 and 21,349.08 is: 32,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.51 : 54,199.89 = 21,349.08 : x
  2. Step 2: Convert to fraction form
    36,129.51/54,199.89 = 21,349.08/x
  3. Step 3: Cross multiply
    36,129.51x = 54,199.89 × 21,349.08
  4. Step 4: Simplify right side
    36,129.51x = 1,157,117,787.60
  5. Step 5: Solve for x
    x = 1,157,117,787.60/36,129.51
  6. Step 6: Final answer
    x = 32,026.94

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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.