Home / 36,845.45-55,215.38-21,017.74

Finding the Fourth Proportional to 36,845.45, 55,215.38 and 21,017.74

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Solution

The fourth proportional to 36,845.45, 55,215.38 and 21,017.74 is: 31,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.45 : 55,215.38 = 21,017.74 : x
  2. Step 2: Convert to fraction form
    36,845.45/55,215.38 = 21,017.74/x
  3. Step 3: Cross multiply
    36,845.45x = 55,215.38 × 21,017.74
  4. Step 4: Simplify right side
    36,845.45x = 1,160,502,415.35
  5. Step 5: Solve for x
    x = 1,160,502,415.35/36,845.45
  6. Step 6: Final answer
    x = 31,496.49

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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.