Home / 31,355.01-47,032.37-11,359.82

Finding the Fourth Proportional to 31,355.01, 47,032.37 and 11,359.82

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Solution

The fourth proportional to 31,355.01, 47,032.37 and 11,359.82 is: 17,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.01 : 47,032.37 = 11,359.82 : x
  2. Step 2: Convert to fraction form
    31,355.01/47,032.37 = 11,359.82/x
  3. Step 3: Cross multiply
    31,355.01x = 47,032.37 × 11,359.82
  4. Step 4: Simplify right side
    31,355.01x = 534,278,965.41
  5. Step 5: Solve for x
    x = 534,278,965.41/31,355.01
  6. Step 6: Final answer
    x = 17,039.67

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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.