Home / 47,529.36-71,269.47-20,864.43

Finding the Fourth Proportional to 47,529.36, 71,269.47 and 20,864.43

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Solution

The fourth proportional to 47,529.36, 71,269.47 and 20,864.43 is: 31,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.36 : 71,269.47 = 20,864.43 : x
  2. Step 2: Convert to fraction form
    47,529.36/71,269.47 = 20,864.43/x
  3. Step 3: Cross multiply
    47,529.36x = 71,269.47 × 20,864.43
  4. Step 4: Simplify right side
    47,529.36x = 1,486,996,867.95
  5. Step 5: Solve for x
    x = 1,486,996,867.95/47,529.36
  6. Step 6: Final answer
    x = 31,285.86

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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.