Home / 47,727.12-71,551.26-21,054.09

Finding the Fourth Proportional to 47,727.12, 71,551.26 and 21,054.09

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Solution

The fourth proportional to 47,727.12, 71,551.26 and 21,054.09 is: 31,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727.12 : 71,551.26 = 21,054.09 : x
  2. Step 2: Convert to fraction form
    47,727.12/71,551.26 = 21,054.09/x
  3. Step 3: Cross multiply
    47,727.12x = 71,551.26 × 21,054.09
  4. Step 4: Simplify right side
    47,727.12x = 1,506,446,667.65
  5. Step 5: Solve for x
    x = 1,506,446,667.65/47,727.12
  6. Step 6: Final answer
    x = 31,563.75

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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.