Home / 47,914.23-71,887.23-21,256.58

Finding the Fourth Proportional to 47,914.23, 71,887.23 and 21,256.58

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Solution

The fourth proportional to 47,914.23, 71,887.23 and 21,256.58 is: 31,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,914.23 : 71,887.23 = 21,256.58 : x
  2. Step 2: Convert to fraction form
    47,914.23/71,887.23 = 21,256.58/x
  3. Step 3: Cross multiply
    47,914.23x = 71,887.23 × 21,256.58
  4. Step 4: Simplify right side
    47,914.23x = 1,528,076,296.04
  5. Step 5: Solve for x
    x = 1,528,076,296.04/47,914.23
  6. Step 6: Final answer
    x = 31,891.91

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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.