Home / 20,148.67-30,224.40-5,357.26

Finding the Fourth Proportional to 20,148.67, 30,224.40 and 5,357.26

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Solution

The fourth proportional to 20,148.67, 30,224.40 and 5,357.26 is: 8,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.67 : 30,224.40 = 5,357.26 : x
  2. Step 2: Convert to fraction form
    20,148.67/30,224.40 = 5,357.26/x
  3. Step 3: Cross multiply
    20,148.67x = 30,224.40 × 5,357.26
  4. Step 4: Simplify right side
    20,148.67x = 161,919,969.14
  5. Step 5: Solve for x
    x = 161,919,969.14/20,148.67
  6. Step 6: Final answer
    x = 8,036.26

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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.