Home / 31,011.67-46,532.87-12,291.29

Finding the Fourth Proportional to 31,011.67, 46,532.87 and 12,291.29

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Solution

The fourth proportional to 31,011.67, 46,532.87 and 12,291.29 is: 18,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.67 : 46,532.87 = 12,291.29 : x
  2. Step 2: Convert to fraction form
    31,011.67/46,532.87 = 12,291.29/x
  3. Step 3: Cross multiply
    31,011.67x = 46,532.87 × 12,291.29
  4. Step 4: Simplify right side
    31,011.67x = 571,949,082.56
  5. Step 5: Solve for x
    x = 571,949,082.56/31,011.67
  6. Step 6: Final answer
    x = 18,443.03

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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.