Home / 36,116.96-49,839.48-21,008.84

Finding the Fourth Proportional to 36,116.96, 49,839.48 and 21,008.84

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Solution

The fourth proportional to 36,116.96, 49,839.48 and 21,008.84 is: 28,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,116.96 : 49,839.48 = 21,008.84 : x
  2. Step 2: Convert to fraction form
    36,116.96/49,839.48 = 21,008.84/x
  3. Step 3: Cross multiply
    36,116.96x = 49,839.48 × 21,008.84
  4. Step 4: Simplify right side
    36,116.96x = 1,047,069,661.00
  5. Step 5: Solve for x
    x = 1,047,069,661.00/36,116.96
  6. Step 6: Final answer
    x = 28,991.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.