Home / 31,341.21-46,950.30-18,165.90

Finding the Fourth Proportional to 31,341.21, 46,950.30 and 18,165.90

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Solution

The fourth proportional to 31,341.21, 46,950.30 and 18,165.90 is: 27,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.21 : 46,950.30 = 18,165.90 : x
  2. Step 2: Convert to fraction form
    31,341.21/46,950.30 = 18,165.90/x
  3. Step 3: Cross multiply
    31,341.21x = 46,950.30 × 18,165.90
  4. Step 4: Simplify right side
    31,341.21x = 852,894,454.77
  5. Step 5: Solve for x
    x = 852,894,454.77/31,341.21
  6. Step 6: Final answer
    x = 27,213.19

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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.