Home / 54,241.47-74,857.40-31,587.51

Finding the Fourth Proportional to 54,241.47, 74,857.40 and 31,587.51

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Solution

The fourth proportional to 54,241.47, 74,857.40 and 31,587.51 is: 43,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.47 : 74,857.40 = 31,587.51 : x
  2. Step 2: Convert to fraction form
    54,241.47/74,857.40 = 31,587.51/x
  3. Step 3: Cross multiply
    54,241.47x = 74,857.40 × 31,587.51
  4. Step 4: Simplify right side
    54,241.47x = 2,364,558,713.14
  5. Step 5: Solve for x
    x = 2,364,558,713.14/54,241.47
  6. Step 6: Final answer
    x = 43,593.19

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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.