Home / 34,905.60-52,342.86-9,939.98

Finding the Fourth Proportional to 34,905.60, 52,342.86 and 9,939.98

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Solution

The fourth proportional to 34,905.60, 52,342.86 and 9,939.98 is: 14,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.60 : 52,342.86 = 9,939.98 : x
  2. Step 2: Convert to fraction form
    34,905.60/52,342.86 = 9,939.98/x
  3. Step 3: Cross multiply
    34,905.60x = 52,342.86 × 9,939.98
  4. Step 4: Simplify right side
    34,905.60x = 520,286,719.83
  5. Step 5: Solve for x
    x = 520,286,719.83/34,905.60
  6. Step 6: Final answer
    x = 14,905.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.