Home / 43,631.21-65,151.25-34,645.70

Finding the Fourth Proportional to 43,631.21, 65,151.25 and 34,645.70

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Solution

The fourth proportional to 43,631.21, 65,151.25 and 34,645.70 is: 51,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,631.21 : 65,151.25 = 34,645.70 : x
  2. Step 2: Convert to fraction form
    43,631.21/65,151.25 = 34,645.70/x
  3. Step 3: Cross multiply
    43,631.21x = 65,151.25 × 34,645.70
  4. Step 4: Simplify right side
    43,631.21x = 2,257,210,738.39
  5. Step 5: Solve for x
    x = 2,257,210,738.39/43,631.21
  6. Step 6: Final answer
    x = 51,733.85

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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.