Home / 65,005.65-97,511.27-20,634.21

Finding the Fourth Proportional to 65,005.65, 97,511.27 and 20,634.21

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Solution

The fourth proportional to 65,005.65, 97,511.27 and 20,634.21 is: 30,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,005.65 : 97,511.27 = 20,634.21 : x
  2. Step 2: Convert to fraction form
    65,005.65/97,511.27 = 20,634.21/x
  3. Step 3: Cross multiply
    65,005.65x = 97,511.27 × 20,634.21
  4. Step 4: Simplify right side
    65,005.65x = 2,012,067,919.38
  5. Step 5: Solve for x
    x = 2,012,067,919.38/65,005.65
  6. Step 6: Final answer
    x = 30,952.20

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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.