Home / 32,040.56-47,996.40-15,981.68

Finding the Fourth Proportional to 32,040.56, 47,996.40 and 15,981.68

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Solution

The fourth proportional to 32,040.56, 47,996.40 and 15,981.68 is: 23,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,040.56 : 47,996.40 = 15,981.68 : x
  2. Step 2: Convert to fraction form
    32,040.56/47,996.40 = 15,981.68/x
  3. Step 3: Cross multiply
    32,040.56x = 47,996.40 × 15,981.68
  4. Step 4: Simplify right side
    32,040.56x = 767,063,105.95
  5. Step 5: Solve for x
    x = 767,063,105.95/32,040.56
  6. Step 6: Final answer
    x = 23,940.38

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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.