Home / 47,689.56-71,541.87-14,405.49

Finding the Fourth Proportional to 47,689.56, 71,541.87 and 14,405.49

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Solution

The fourth proportional to 47,689.56, 71,541.87 and 14,405.49 is: 21,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.56 : 71,541.87 = 14,405.49 : x
  2. Step 2: Convert to fraction form
    47,689.56/71,541.87 = 14,405.49/x
  3. Step 3: Cross multiply
    47,689.56x = 71,541.87 × 14,405.49
  4. Step 4: Simplify right side
    47,689.56x = 1,030,595,692.87
  5. Step 5: Solve for x
    x = 1,030,595,692.87/47,689.56
  6. Step 6: Final answer
    x = 21,610.51

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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.