Home / 36,135.57-54,180.56-17,420.31

Finding the Fourth Proportional to 36,135.57, 54,180.56 and 17,420.31

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Solution

The fourth proportional to 36,135.57, 54,180.56 and 17,420.31 is: 26,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.57 : 54,180.56 = 17,420.31 : x
  2. Step 2: Convert to fraction form
    36,135.57/54,180.56 = 17,420.31/x
  3. Step 3: Cross multiply
    36,135.57x = 54,180.56 × 17,420.31
  4. Step 4: Simplify right side
    36,135.57x = 943,842,064.07
  5. Step 5: Solve for x
    x = 943,842,064.07/36,135.57
  6. Step 6: Final answer
    x = 26,119.47

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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.