Home / 35,805.06-53,707.61-13,613.31

Finding the Fourth Proportional to 35,805.06, 53,707.61 and 13,613.31

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Solution

The fourth proportional to 35,805.06, 53,707.61 and 13,613.31 is: 20,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,805.06 : 53,707.61 = 13,613.31 : x
  2. Step 2: Convert to fraction form
    35,805.06/53,707.61 = 13,613.31/x
  3. Step 3: Cross multiply
    35,805.06x = 53,707.61 × 13,613.31
  4. Step 4: Simplify right side
    35,805.06x = 731,138,344.29
  5. Step 5: Solve for x
    x = 731,138,344.29/35,805.06
  6. Step 6: Final answer
    x = 20,419.97

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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.