Home / 53,393.20-73,681.32-29,519.28

Finding the Fourth Proportional to 53,393.20, 73,681.32 and 29,519.28

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Solution

The fourth proportional to 53,393.20, 73,681.32 and 29,519.28 is: 40,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393.20 : 73,681.32 = 29,519.28 : x
  2. Step 2: Convert to fraction form
    53,393.20/73,681.32 = 29,519.28/x
  3. Step 3: Cross multiply
    53,393.20x = 73,681.32 × 29,519.28
  4. Step 4: Simplify right side
    53,393.20x = 2,175,019,515.85
  5. Step 5: Solve for x
    x = 2,175,019,515.85/53,393.20
  6. Step 6: Final answer
    x = 40,735.89

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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.