Home / 36,781.35-55,128.81-17,018.16

Finding the Fourth Proportional to 36,781.35, 55,128.81 and 17,018.16

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Solution

The fourth proportional to 36,781.35, 55,128.81 and 17,018.16 is: 25,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.35 : 55,128.81 = 17,018.16 : x
  2. Step 2: Convert to fraction form
    36,781.35/55,128.81 = 17,018.16/x
  3. Step 3: Cross multiply
    36,781.35x = 55,128.81 × 17,018.16
  4. Step 4: Simplify right side
    36,781.35x = 938,190,909.19
  5. Step 5: Solve for x
    x = 938,190,909.19/36,781.35
  6. Step 6: Final answer
    x = 25,507.25

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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.