Home / 21,050.26-31,560.20-9,950.82

Finding the Fourth Proportional to 21,050.26, 31,560.20 and 9,950.82

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Solution

The fourth proportional to 21,050.26, 31,560.20 and 9,950.82 is: 14,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.26 : 31,560.20 = 9,950.82 : x
  2. Step 2: Convert to fraction form
    21,050.26/31,560.20 = 9,950.82/x
  3. Step 3: Cross multiply
    21,050.26x = 31,560.20 × 9,950.82
  4. Step 4: Simplify right side
    21,050.26x = 314,049,869.36
  5. Step 5: Solve for x
    x = 314,049,869.36/21,050.26
  6. Step 6: Final answer
    x = 14,919.05

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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.