Home / 21,080.46-31,610.28-7,035.66

Finding the Fourth Proportional to 21,080.46, 31,610.28 and 7,035.66

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Solution

The fourth proportional to 21,080.46, 31,610.28 and 7,035.66 is: 10,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080.46 : 31,610.28 = 7,035.66 : x
  2. Step 2: Convert to fraction form
    21,080.46/31,610.28 = 7,035.66/x
  3. Step 3: Cross multiply
    21,080.46x = 31,610.28 × 7,035.66
  4. Step 4: Simplify right side
    21,080.46x = 222,399,182.58
  5. Step 5: Solve for x
    x = 222,399,182.58/21,080.46
  6. Step 6: Final answer
    x = 10,550.02

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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.