Home / 31,768.26-47,652.39-13,045.11

Finding the Fourth Proportional to 31,768.26, 47,652.39 and 13,045.11

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Solution

The fourth proportional to 31,768.26, 47,652.39 and 13,045.11 is: 19,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.26 : 47,652.39 = 13,045.11 : x
  2. Step 2: Convert to fraction form
    31,768.26/47,652.39 = 13,045.11/x
  3. Step 3: Cross multiply
    31,768.26x = 47,652.39 × 13,045.11
  4. Step 4: Simplify right side
    31,768.26x = 621,630,669.31
  5. Step 5: Solve for x
    x = 621,630,669.31/31,768.26
  6. Step 6: Final answer
    x = 19,567.67

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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.