Home / 36,659.17-55,005.18-21,076.80

Finding the Fourth Proportional to 36,659.17, 55,005.18 and 21,076.80

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Solution

The fourth proportional to 36,659.17, 55,005.18 and 21,076.80 is: 31,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.17 : 55,005.18 = 21,076.80 : x
  2. Step 2: Convert to fraction form
    36,659.17/55,005.18 = 21,076.80/x
  3. Step 3: Cross multiply
    36,659.17x = 55,005.18 × 21,076.80
  4. Step 4: Simplify right side
    36,659.17x = 1,159,333,177.82
  5. Step 5: Solve for x
    x = 1,159,333,177.82/36,659.17
  6. Step 6: Final answer
    x = 31,624.64

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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.