Home / 34,764.40-47,974.84-18,848.88

Finding the Fourth Proportional to 34,764.40, 47,974.84 and 18,848.88

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Solution

The fourth proportional to 34,764.40, 47,974.84 and 18,848.88 is: 26,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.40 : 47,974.84 = 18,848.88 : x
  2. Step 2: Convert to fraction form
    34,764.40/47,974.84 = 18,848.88/x
  3. Step 3: Cross multiply
    34,764.40x = 47,974.84 × 18,848.88
  4. Step 4: Simplify right side
    34,764.40x = 904,272,002.18
  5. Step 5: Solve for x
    x = 904,272,002.18/34,764.40
  6. Step 6: Final answer
    x = 26,011.44

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1.5x scale

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.