Home / 29,190.47-40,275.43-17,855.82

Finding the Fourth Proportional to 29,190.47, 40,275.43 and 17,855.82

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Solution

The fourth proportional to 29,190.47, 40,275.43 and 17,855.82 is: 24,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.47 : 40,275.43 = 17,855.82 : x
  2. Step 2: Convert to fraction form
    29,190.47/40,275.43 = 17,855.82/x
  3. Step 3: Cross multiply
    29,190.47x = 40,275.43 × 17,855.82
  4. Step 4: Simplify right side
    29,190.47x = 719,150,783.86
  5. Step 5: Solve for x
    x = 719,150,783.86/29,190.47
  6. Step 6: Final answer
    x = 24,636.50

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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.