Home / 38,430.45-57,674.84-25,920.81

Finding the Fourth Proportional to 38,430.45, 57,674.84 and 25,920.81

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Solution

The fourth proportional to 38,430.45, 57,674.84 and 25,920.81 is: 38,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.45 : 57,674.84 = 25,920.81 : x
  2. Step 2: Convert to fraction form
    38,430.45/57,674.84 = 25,920.81/x
  3. Step 3: Cross multiply
    38,430.45x = 57,674.84 × 25,920.81
  4. Step 4: Simplify right side
    38,430.45x = 1,494,978,439.82
  5. Step 5: Solve for x
    x = 1,494,978,439.82/38,430.45
  6. Step 6: Final answer
    x = 38,900.88

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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.