Home / 38,140.45-52,633.93-21,147.46

Finding the Fourth Proportional to 38,140.45, 52,633.93 and 21,147.46

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Solution

The fourth proportional to 38,140.45, 52,633.93 and 21,147.46 is: 29,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.45 : 52,633.93 = 21,147.46 : x
  2. Step 2: Convert to fraction form
    38,140.45/52,633.93 = 21,147.46/x
  3. Step 3: Cross multiply
    38,140.45x = 52,633.93 × 21,147.46
  4. Step 4: Simplify right side
    38,140.45x = 1,113,073,929.32
  5. Step 5: Solve for x
    x = 1,113,073,929.32/38,140.45
  6. Step 6: Final answer
    x = 29,183.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.