Home / 36,857.43-55,242.41-21,242.79

Finding the Fourth Proportional to 36,857.43, 55,242.41 and 21,242.79

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Solution

The fourth proportional to 36,857.43, 55,242.41 and 21,242.79 is: 31,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857.43 : 55,242.41 = 21,242.79 : x
  2. Step 2: Convert to fraction form
    36,857.43/55,242.41 = 21,242.79/x
  3. Step 3: Cross multiply
    36,857.43x = 55,242.41 × 21,242.79
  4. Step 4: Simplify right side
    36,857.43x = 1,173,502,808.51
  5. Step 5: Solve for x
    x = 1,173,502,808.51/36,857.43
  6. Step 6: Final answer
    x = 31,838.98

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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.