Home / 31,977.65-47,973.39-12,256.22

Finding the Fourth Proportional to 31,977.65, 47,973.39 and 12,256.22

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Solution

The fourth proportional to 31,977.65, 47,973.39 and 12,256.22 is: 18,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.65 : 47,973.39 = 12,256.22 : x
  2. Step 2: Convert to fraction form
    31,977.65/47,973.39 = 12,256.22/x
  3. Step 3: Cross multiply
    31,977.65x = 47,973.39 × 12,256.22
  4. Step 4: Simplify right side
    31,977.65x = 587,972,421.99
  5. Step 5: Solve for x
    x = 587,972,421.99/31,977.65
  6. Step 6: Final answer
    x = 18,386.98

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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.