Home / 31,080.48-42,890.65-16,933.33

Finding the Fourth Proportional to 31,080.48, 42,890.65 and 16,933.33

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Solution

The fourth proportional to 31,080.48, 42,890.65 and 16,933.33 is: 23,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.48 : 42,890.65 = 16,933.33 : x
  2. Step 2: Convert to fraction form
    31,080.48/42,890.65 = 16,933.33/x
  3. Step 3: Cross multiply
    31,080.48x = 42,890.65 × 16,933.33
  4. Step 4: Simplify right side
    31,080.48x = 726,281,530.36
  5. Step 5: Solve for x
    x = 726,281,530.36/31,080.48
  6. Step 6: Final answer
    x = 23,367.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.