Home / 53,257.88-73,500-29,386.64

Finding the Fourth Proportional to 53,257.88, 73,500 and 29,386.64

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Solution

The fourth proportional to 53,257.88, 73,500 and 29,386.64 is: 40,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.88 : 73,500 = 29,386.64 : x
  2. Step 2: Convert to fraction form
    53,257.88/73,500 = 29,386.64/x
  3. Step 3: Cross multiply
    53,257.88x = 73,500 × 29,386.64
  4. Step 4: Simplify right side
    53,257.88x = 2,159,918,040
  5. Step 5: Solve for x
    x = 2,159,918,040/53,257.88
  6. Step 6: Final answer
    x = 40,555.84

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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.