Home / 31,832.45-47,683.67-15,142

Finding the Fourth Proportional to 31,832.45, 47,683.67 and 15,142

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Solution

The fourth proportional to 31,832.45, 47,683.67 and 15,142 is: 22,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.45 : 47,683.67 = 15,142 : x
  2. Step 2: Convert to fraction form
    31,832.45/47,683.67 = 15,142/x
  3. Step 3: Cross multiply
    31,832.45x = 47,683.67 × 15,142
  4. Step 4: Simplify right side
    31,832.45x = 722,026,131.14
  5. Step 5: Solve for x
    x = 722,026,131.14/31,832.45
  6. Step 6: Final answer
    x = 22,682.08

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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.