Home / 31,392.33-47,088.39-19,713.75

Finding the Fourth Proportional to 31,392.33, 47,088.39 and 19,713.75

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Solution

The fourth proportional to 31,392.33, 47,088.39 and 19,713.75 is: 29,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.33 : 47,088.39 = 19,713.75 : x
  2. Step 2: Convert to fraction form
    31,392.33/47,088.39 = 19,713.75/x
  3. Step 3: Cross multiply
    31,392.33x = 47,088.39 × 19,713.75
  4. Step 4: Simplify right side
    31,392.33x = 928,288,748.36
  5. Step 5: Solve for x
    x = 928,288,748.36/31,392.33
  6. Step 6: Final answer
    x = 29,570.56

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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.