Home / 34,748.88-47,953.28-18,833.20

Finding the Fourth Proportional to 34,748.88, 47,953.28 and 18,833.20

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Solution

The fourth proportional to 34,748.88, 47,953.28 and 18,833.20 is: 25,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,748.88 : 47,953.28 = 18,833.20 : x
  2. Step 2: Convert to fraction form
    34,748.88/47,953.28 = 18,833.20/x
  3. Step 3: Cross multiply
    34,748.88x = 47,953.28 × 18,833.20
  4. Step 4: Simplify right side
    34,748.88x = 903,113,712.90
  5. Step 5: Solve for x
    x = 903,113,712.90/34,748.88
  6. Step 6: Final answer
    x = 25,989.72

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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.