Home / 53,137.82-73,328.69-28,937.86

Finding the Fourth Proportional to 53,137.82, 73,328.69 and 28,937.86

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Solution

The fourth proportional to 53,137.82, 73,328.69 and 28,937.86 is: 39,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.82 : 73,328.69 = 28,937.86 : x
  2. Step 2: Convert to fraction form
    53,137.82/73,328.69 = 28,937.86/x
  3. Step 3: Cross multiply
    53,137.82x = 73,328.69 × 28,937.86
  4. Step 4: Simplify right side
    53,137.82x = 2,121,975,254.23
  5. Step 5: Solve for x
    x = 2,121,975,254.23/53,137.82
  6. Step 6: Final answer
    x = 39,933.43

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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.