Home / 31,496.42-47,238.14-13,955.06

Finding the Fourth Proportional to 31,496.42, 47,238.14 and 13,955.06

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Solution

The fourth proportional to 31,496.42, 47,238.14 and 13,955.06 is: 20,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,496.42 : 47,238.14 = 13,955.06 : x
  2. Step 2: Convert to fraction form
    31,496.42/47,238.14 = 13,955.06/x
  3. Step 3: Cross multiply
    31,496.42x = 47,238.14 × 13,955.06
  4. Step 4: Simplify right side
    31,496.42x = 659,211,077.99
  5. Step 5: Solve for x
    x = 659,211,077.99/31,496.42
  6. Step 6: Final answer
    x = 20,929.71

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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.