Home / 36,761.48-55,155.14-13,390.28

Finding the Fourth Proportional to 36,761.48, 55,155.14 and 13,390.28

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Solution

The fourth proportional to 36,761.48, 55,155.14 and 13,390.28 is: 20,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.48 : 55,155.14 = 13,390.28 : x
  2. Step 2: Convert to fraction form
    36,761.48/55,155.14 = 13,390.28/x
  3. Step 3: Cross multiply
    36,761.48x = 55,155.14 × 13,390.28
  4. Step 4: Simplify right side
    36,761.48x = 738,542,768.04
  5. Step 5: Solve for x
    x = 738,542,768.04/36,761.48
  6. Step 6: Final answer
    x = 20,090.13

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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.