Home / 31,905.33-47,812.64-23,519.40

Finding the Fourth Proportional to 31,905.33, 47,812.64 and 23,519.40

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Solution

The fourth proportional to 31,905.33, 47,812.64 and 23,519.40 is: 35,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.33 : 47,812.64 = 23,519.40 : x
  2. Step 2: Convert to fraction form
    31,905.33/47,812.64 = 23,519.40/x
  3. Step 3: Cross multiply
    31,905.33x = 47,812.64 × 23,519.40
  4. Step 4: Simplify right side
    31,905.33x = 1,124,524,487.62
  5. Step 5: Solve for x
    x = 1,124,524,487.62/31,905.33
  6. Step 6: Final answer
    x = 35,245.66

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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.