Home / 31,357.28-47,023.67-11,362.03

Finding the Fourth Proportional to 31,357.28, 47,023.67 and 11,362.03

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Solution

The fourth proportional to 31,357.28, 47,023.67 and 11,362.03 is: 17,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.28 : 47,023.67 = 11,362.03 : x
  2. Step 2: Convert to fraction form
    31,357.28/47,023.67 = 11,362.03/x
  3. Step 3: Cross multiply
    31,357.28x = 47,023.67 × 11,362.03
  4. Step 4: Simplify right side
    31,357.28x = 534,284,174.88
  5. Step 5: Solve for x
    x = 534,284,174.88/31,357.28
  6. Step 6: Final answer
    x = 17,038.60

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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.