Home / 47,715.34-71,563.78-14,427.60

Finding the Fourth Proportional to 47,715.34, 71,563.78 and 14,427.60

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Solution

The fourth proportional to 47,715.34, 71,563.78 and 14,427.60 is: 21,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.34 : 71,563.78 = 14,427.60 : x
  2. Step 2: Convert to fraction form
    47,715.34/71,563.78 = 14,427.60/x
  3. Step 3: Cross multiply
    47,715.34x = 71,563.78 × 14,427.60
  4. Step 4: Simplify right side
    47,715.34x = 1,032,493,663.39
  5. Step 5: Solve for x
    x = 1,032,493,663.39/47,715.34
  6. Step 6: Final answer
    x = 21,638.61

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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.