Home / 31,013.06-46,520.10-8,827.00

Finding the Fourth Proportional to 31,013.06, 46,520.10 and 8,827.00

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Solution

The fourth proportional to 31,013.06, 46,520.10 and 8,827.00 is: 13,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.06 : 46,520.10 = 8,827.00 : x
  2. Step 2: Convert to fraction form
    31,013.06/46,520.10 = 8,827.00/x
  3. Step 3: Cross multiply
    31,013.06x = 46,520.10 × 8,827.00
  4. Step 4: Simplify right side
    31,013.06x = 410,632,806.40
  5. Step 5: Solve for x
    x = 410,632,806.40/31,013.06
  6. Step 6: Final answer
    x = 13,240.64

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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.