Home / 39,646.13-54,711.27-21,741.08

Finding the Fourth Proportional to 39,646.13, 54,711.27 and 21,741.08

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Solution

The fourth proportional to 39,646.13, 54,711.27 and 21,741.08 is: 30,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.13 : 54,711.27 = 21,741.08 : x
  2. Step 2: Convert to fraction form
    39,646.13/54,711.27 = 21,741.08/x
  3. Step 3: Cross multiply
    39,646.13x = 54,711.27 × 21,741.08
  4. Step 4: Simplify right side
    39,646.13x = 1,189,481,824.42
  5. Step 5: Solve for x
    x = 1,189,481,824.42/39,646.13
  6. Step 6: Final answer
    x = 30,002.47

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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.