Home / 31,521.72-47,282.58-13,052.28

Finding the Fourth Proportional to 31,521.72, 47,282.58 and 13,052.28

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Solution

The fourth proportional to 31,521.72, 47,282.58 and 13,052.28 is: 19,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.72 : 47,282.58 = 13,052.28 : x
  2. Step 2: Convert to fraction form
    31,521.72/47,282.58 = 13,052.28/x
  3. Step 3: Cross multiply
    31,521.72x = 47,282.58 × 13,052.28
  4. Step 4: Simplify right side
    31,521.72x = 617,145,473.28
  5. Step 5: Solve for x
    x = 617,145,473.28/31,521.72
  6. Step 6: Final answer
    x = 19,578.42

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Similar ratio
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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.