Home / 36,776.48-55,112.09-20,948.84

Finding the Fourth Proportional to 36,776.48, 55,112.09 and 20,948.84

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Solution

The fourth proportional to 36,776.48, 55,112.09 and 20,948.84 is: 31,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.48 : 55,112.09 = 20,948.84 : x
  2. Step 2: Convert to fraction form
    36,776.48/55,112.09 = 20,948.84/x
  3. Step 3: Cross multiply
    36,776.48x = 55,112.09 × 20,948.84
  4. Step 4: Simplify right side
    36,776.48x = 1,154,534,355.48
  5. Step 5: Solve for x
    x = 1,154,534,355.48/36,776.48
  6. Step 6: Final answer
    x = 31,393.28

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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.