Home / 31,473.09-47,216.96-10,412.28

Finding the Fourth Proportional to 31,473.09, 47,216.96 and 10,412.28

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Solution

The fourth proportional to 31,473.09, 47,216.96 and 10,412.28 is: 15,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.09 : 47,216.96 = 10,412.28 : x
  2. Step 2: Convert to fraction form
    31,473.09/47,216.96 = 10,412.28/x
  3. Step 3: Cross multiply
    31,473.09x = 47,216.96 × 10,412.28
  4. Step 4: Simplify right side
    31,473.09x = 491,635,972.18
  5. Step 5: Solve for x
    x = 491,635,972.18/31,473.09
  6. Step 6: Final answer
    x = 15,620.84

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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.