Home / 35,449.13-53,189.33-18,805.08

Finding the Fourth Proportional to 35,449.13, 53,189.33 and 18,805.08

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Solution

The fourth proportional to 35,449.13, 53,189.33 and 18,805.08 is: 28,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.13 : 53,189.33 = 18,805.08 : x
  2. Step 2: Convert to fraction form
    35,449.13/53,189.33 = 18,805.08/x
  3. Step 3: Cross multiply
    35,449.13x = 53,189.33 × 18,805.08
  4. Step 4: Simplify right side
    35,449.13x = 1,000,229,412.04
  5. Step 5: Solve for x
    x = 1,000,229,412.04/35,449.13
  6. Step 6: Final answer
    x = 28,215.91

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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.