Home / 47,690.12-71,547.65-27,680.37

Finding the Fourth Proportional to 47,690.12, 71,547.65 and 27,680.37

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Solution

The fourth proportional to 47,690.12, 71,547.65 and 27,680.37 is: 41,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,690.12 : 71,547.65 = 27,680.37 : x
  2. Step 2: Convert to fraction form
    47,690.12/71,547.65 = 27,680.37/x
  3. Step 3: Cross multiply
    47,690.12x = 71,547.65 × 27,680.37
  4. Step 4: Simplify right side
    47,690.12x = 1,980,465,286.23
  5. Step 5: Solve for x
    x = 1,980,465,286.23/47,690.12
  6. Step 6: Final answer
    x = 41,527.79

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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.