Home / 20,672.48-31,009.75-5,883.59

Finding the Fourth Proportional to 20,672.48, 31,009.75 and 5,883.59

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Solution

The fourth proportional to 20,672.48, 31,009.75 and 5,883.59 is: 8,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.48 : 31,009.75 = 5,883.59 : x
  2. Step 2: Convert to fraction form
    20,672.48/31,009.75 = 5,883.59/x
  3. Step 3: Cross multiply
    20,672.48x = 31,009.75 × 5,883.59
  4. Step 4: Simplify right side
    20,672.48x = 182,448,576.48
  5. Step 5: Solve for x
    x = 182,448,576.48/20,672.48
  6. Step 6: Final answer
    x = 8,825.67

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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.