Home / 47,816.39-71,732.79-14,539.77

Finding the Fourth Proportional to 47,816.39, 71,732.79 and 14,539.77

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Solution

The fourth proportional to 47,816.39, 71,732.79 and 14,539.77 is: 21,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,816.39 : 71,732.79 = 14,539.77 : x
  2. Step 2: Convert to fraction form
    47,816.39/71,732.79 = 14,539.77/x
  3. Step 3: Cross multiply
    47,816.39x = 71,732.79 × 14,539.77
  4. Step 4: Simplify right side
    47,816.39x = 1,042,978,268.06
  5. Step 5: Solve for x
    x = 1,042,978,268.06/47,816.39
  6. Step 6: Final answer
    x = 21,812.15

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1.5x scale

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.