Home / 31,932.30-47,904.28-13,202.16

Finding the Fourth Proportional to 31,932.30, 47,904.28 and 13,202.16

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Solution

The fourth proportional to 31,932.30, 47,904.28 and 13,202.16 is: 19,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.30 : 47,904.28 = 13,202.16 : x
  2. Step 2: Convert to fraction form
    31,932.30/47,904.28 = 13,202.16/x
  3. Step 3: Cross multiply
    31,932.30x = 47,904.28 × 13,202.16
  4. Step 4: Simplify right side
    31,932.30x = 632,439,969.24
  5. Step 5: Solve for x
    x = 632,439,969.24/31,932.30
  6. Step 6: Final answer
    x = 19,805.65

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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.