Home / 39,647.19-54,713.88-21,741.13

Finding the Fourth Proportional to 39,647.19, 54,713.88 and 21,741.13

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Solution

The fourth proportional to 39,647.19, 54,713.88 and 21,741.13 is: 30,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.19 : 54,713.88 = 21,741.13 : x
  2. Step 2: Convert to fraction form
    39,647.19/54,713.88 = 21,741.13/x
  3. Step 3: Cross multiply
    39,647.19x = 54,713.88 × 21,741.13
  4. Step 4: Simplify right side
    39,647.19x = 1,189,541,523.53
  5. Step 5: Solve for x
    x = 1,189,541,523.53/39,647.19
  6. Step 6: Final answer
    x = 30,003.17

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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.