Home / 43,234.94-64,422.60-38,518.71

Finding the Fourth Proportional to 43,234.94, 64,422.60 and 38,518.71

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Solution

The fourth proportional to 43,234.94, 64,422.60 and 38,518.71 is: 57,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.94 : 64,422.60 = 38,518.71 : x
  2. Step 2: Convert to fraction form
    43,234.94/64,422.60 = 38,518.71/x
  3. Step 3: Cross multiply
    43,234.94x = 64,422.60 × 38,518.71
  4. Step 4: Simplify right side
    43,234.94x = 2,481,475,446.85
  5. Step 5: Solve for x
    x = 2,481,475,446.85/43,234.94
  6. Step 6: Final answer
    x = 57,395.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.