Home / 31,535.54-47,314.70-15,739.32

Finding the Fourth Proportional to 31,535.54, 47,314.70 and 15,739.32

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Solution

The fourth proportional to 31,535.54, 47,314.70 and 15,739.32 is: 23,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.54 : 47,314.70 = 15,739.32 : x
  2. Step 2: Convert to fraction form
    31,535.54/47,314.70 = 15,739.32/x
  3. Step 3: Cross multiply
    31,535.54x = 47,314.70 × 15,739.32
  4. Step 4: Simplify right side
    31,535.54x = 744,701,361.76
  5. Step 5: Solve for x
    x = 744,701,361.76/31,535.54
  6. Step 6: Final answer
    x = 23,614.67

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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.