Home / 47,231.57-70,856.70-13,497.89

Finding the Fourth Proportional to 47,231.57, 70,856.70 and 13,497.89

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Solution

The fourth proportional to 47,231.57, 70,856.70 and 13,497.89 is: 20,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.57 : 70,856.70 = 13,497.89 : x
  2. Step 2: Convert to fraction form
    47,231.57/70,856.70 = 13,497.89/x
  3. Step 3: Cross multiply
    47,231.57x = 70,856.70 × 13,497.89
  4. Step 4: Simplify right side
    47,231.57x = 956,415,803.18
  5. Step 5: Solve for x
    x = 956,415,803.18/47,231.57
  6. Step 6: Final answer
    x = 20,249.50

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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.