Home / 38,318.70-57,474.63-13,354.50

Finding the Fourth Proportional to 38,318.70, 57,474.63 and 13,354.50

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Solution

The fourth proportional to 38,318.70, 57,474.63 and 13,354.50 is: 20,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.70 : 57,474.63 = 13,354.50 : x
  2. Step 2: Convert to fraction form
    38,318.70/57,474.63 = 13,354.50/x
  3. Step 3: Cross multiply
    38,318.70x = 57,474.63 × 13,354.50
  4. Step 4: Simplify right side
    38,318.70x = 767,544,946.34
  5. Step 5: Solve for x
    x = 767,544,946.34/38,318.70
  6. Step 6: Final answer
    x = 20,030.56

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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.