Home / 31,255.24-46,886.50-12,541.80

Finding the Fourth Proportional to 31,255.24, 46,886.50 and 12,541.80

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Solution

The fourth proportional to 31,255.24, 46,886.50 and 12,541.80 is: 18,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.24 : 46,886.50 = 12,541.80 : x
  2. Step 2: Convert to fraction form
    31,255.24/46,886.50 = 12,541.80/x
  3. Step 3: Cross multiply
    31,255.24x = 46,886.50 × 12,541.80
  4. Step 4: Simplify right side
    31,255.24x = 588,041,105.70
  5. Step 5: Solve for x
    x = 588,041,105.70/31,255.24
  6. Step 6: Final answer
    x = 18,814.16

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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.