Home / 47,660.10-71,490.66-14,380.46

Finding the Fourth Proportional to 47,660.10, 71,490.66 and 14,380.46

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Solution

The fourth proportional to 47,660.10, 71,490.66 and 14,380.46 is: 21,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,660.10 : 71,490.66 = 14,380.46 : x
  2. Step 2: Convert to fraction form
    47,660.10/71,490.66 = 14,380.46/x
  3. Step 3: Cross multiply
    47,660.10x = 71,490.66 × 14,380.46
  4. Step 4: Simplify right side
    47,660.10x = 1,028,068,219.05
  5. Step 5: Solve for x
    x = 1,028,068,219.05/47,660.10
  6. Step 6: Final answer
    x = 21,570.84

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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.