Home / 31,505.48-47,262.82-11,515.96

Finding the Fourth Proportional to 31,505.48, 47,262.82 and 11,515.96

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Solution

The fourth proportional to 31,505.48, 47,262.82 and 11,515.96 is: 17,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.48 : 47,262.82 = 11,515.96 : x
  2. Step 2: Convert to fraction form
    31,505.48/47,262.82 = 11,515.96/x
  3. Step 3: Cross multiply
    31,505.48x = 47,262.82 × 11,515.96
  4. Step 4: Simplify right side
    31,505.48x = 544,276,744.61
  5. Step 5: Solve for x
    x = 544,276,744.61/31,505.48
  6. Step 6: Final answer
    x = 17,275.62

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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.