Home / 40,479.51-55,896.96-25,398.09

Finding the Fourth Proportional to 40,479.51, 55,896.96 and 25,398.09

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Solution

The fourth proportional to 40,479.51, 55,896.96 and 25,398.09 is: 35,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.51 : 55,896.96 = 25,398.09 : x
  2. Step 2: Convert to fraction form
    40,479.51/55,896.96 = 25,398.09/x
  3. Step 3: Cross multiply
    40,479.51x = 55,896.96 × 25,398.09
  4. Step 4: Simplify right side
    40,479.51x = 1,419,676,020.81
  5. Step 5: Solve for x
    x = 1,419,676,020.81/40,479.51
  6. Step 6: Final answer
    x = 35,071.47

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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.