Home / 36,782.46-55,173.81-10,128.82

Finding the Fourth Proportional to 36,782.46, 55,173.81 and 10,128.82

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Solution

The fourth proportional to 36,782.46, 55,173.81 and 10,128.82 is: 15,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.46 : 55,173.81 = 10,128.82 : x
  2. Step 2: Convert to fraction form
    36,782.46/55,173.81 = 10,128.82/x
  3. Step 3: Cross multiply
    36,782.46x = 55,173.81 × 10,128.82
  4. Step 4: Simplify right side
    36,782.46x = 558,845,590.20
  5. Step 5: Solve for x
    x = 558,845,590.20/36,782.46
  6. Step 6: Final answer
    x = 15,193.26

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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.