Home / 52,215.84-72,057.92-28,342.51

Finding the Fourth Proportional to 52,215.84, 72,057.92 and 28,342.51

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Solution

The fourth proportional to 52,215.84, 72,057.92 and 28,342.51 is: 39,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.84 : 72,057.92 = 28,342.51 : x
  2. Step 2: Convert to fraction form
    52,215.84/72,057.92 = 28,342.51/x
  3. Step 3: Cross multiply
    52,215.84x = 72,057.92 × 28,342.51
  4. Step 4: Simplify right side
    52,215.84x = 2,042,301,996.32
  5. Step 5: Solve for x
    x = 2,042,301,996.32/52,215.84
  6. Step 6: Final answer
    x = 39,112.69

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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.