Home / 52,501.86-72,451.26-28,629

Finding the Fourth Proportional to 52,501.86, 72,451.26 and 28,629

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Solution

The fourth proportional to 52,501.86, 72,451.26 and 28,629 is: 39,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.86 : 72,451.26 = 28,629 : x
  2. Step 2: Convert to fraction form
    52,501.86/72,451.26 = 28,629/x
  3. Step 3: Cross multiply
    52,501.86x = 72,451.26 × 28,629
  4. Step 4: Simplify right side
    52,501.86x = 2,074,207,122.54
  5. Step 5: Solve for x
    x = 2,074,207,122.54/52,501.86
  6. Step 6: Final answer
    x = 39,507.31

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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.