Home / 38,740.20-53,463.24-30,342.12

Finding the Fourth Proportional to 38,740.20, 53,463.24 and 30,342.12

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Solution

The fourth proportional to 38,740.20, 53,463.24 and 30,342.12 is: 41,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.20 : 53,463.24 = 30,342.12 : x
  2. Step 2: Convert to fraction form
    38,740.20/53,463.24 = 30,342.12/x
  3. Step 3: Cross multiply
    38,740.20x = 53,463.24 × 30,342.12
  4. Step 4: Simplify right side
    38,740.20x = 1,622,188,043.67
  5. Step 5: Solve for x
    x = 1,622,188,043.67/38,740.20
  6. Step 6: Final answer
    x = 41,873.51

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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.