Home / 31,256.34-46,837.50-12,517.80

Finding the Fourth Proportional to 31,256.34, 46,837.50 and 12,517.80

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Solution

The fourth proportional to 31,256.34, 46,837.50 and 12,517.80 is: 18,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.34 : 46,837.50 = 12,517.80 : x
  2. Step 2: Convert to fraction form
    31,256.34/46,837.50 = 12,517.80/x
  3. Step 3: Cross multiply
    31,256.34x = 46,837.50 × 12,517.80
  4. Step 4: Simplify right side
    31,256.34x = 586,302,457.50
  5. Step 5: Solve for x
    x = 586,302,457.50/31,256.34
  6. Step 6: Final answer
    x = 18,757.87

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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.