Home / 34,750.80-47,956.14-18,835.20

Finding the Fourth Proportional to 34,750.80, 47,956.14 and 18,835.20

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Solution

The fourth proportional to 34,750.80, 47,956.14 and 18,835.20 is: 25,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.80 : 47,956.14 = 18,835.20 : x
  2. Step 2: Convert to fraction form
    34,750.80/47,956.14 = 18,835.20/x
  3. Step 3: Cross multiply
    34,750.80x = 47,956.14 × 18,835.20
  4. Step 4: Simplify right side
    34,750.80x = 903,263,488.13
  5. Step 5: Solve for x
    x = 903,263,488.13/34,750.80
  6. Step 6: Final answer
    x = 25,992.60

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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.