Home / 31,473.06-47,187.72-13,933.32

Finding the Fourth Proportional to 31,473.06, 47,187.72 and 13,933.32

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Solution

The fourth proportional to 31,473.06, 47,187.72 and 13,933.32 is: 20,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.06 : 47,187.72 = 13,933.32 : x
  2. Step 2: Convert to fraction form
    31,473.06/47,187.72 = 13,933.32/x
  3. Step 3: Cross multiply
    31,473.06x = 47,187.72 × 13,933.32
  4. Step 4: Simplify right side
    31,473.06x = 657,481,602.83
  5. Step 5: Solve for x
    x = 657,481,602.83/31,473.06
  6. Step 6: Final answer
    x = 20,890.30

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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.