Home / 47,781.10-71,573.10-27,999.70

Finding the Fourth Proportional to 47,781.10, 71,573.10 and 27,999.70

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Solution

The fourth proportional to 47,781.10, 71,573.10 and 27,999.70 is: 41,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.10 : 71,573.10 = 27,999.70 : x
  2. Step 2: Convert to fraction form
    47,781.10/71,573.10 = 27,999.70/x
  3. Step 3: Cross multiply
    47,781.10x = 71,573.10 × 27,999.70
  4. Step 4: Simplify right side
    47,781.10x = 2,004,025,328.07
  5. Step 5: Solve for x
    x = 2,004,025,328.07/47,781.10
  6. Step 6: Final answer
    x = 41,941.80

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1.5x scale

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.