Home / 31,501.75-47,257.50-11,783.11

Finding the Fourth Proportional to 31,501.75, 47,257.50 and 11,783.11

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Solution

The fourth proportional to 31,501.75, 47,257.50 and 11,783.11 is: 17,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.75 : 47,257.50 = 11,783.11 : x
  2. Step 2: Convert to fraction form
    31,501.75/47,257.50 = 11,783.11/x
  3. Step 3: Cross multiply
    31,501.75x = 47,257.50 × 11,783.11
  4. Step 4: Simplify right side
    31,501.75x = 556,840,320.83
  5. Step 5: Solve for x
    x = 556,840,320.83/31,501.75
  6. Step 6: Final answer
    x = 17,676.49

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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.