Home / 52,956.39-79,467.39-30,780.21

Finding the Fourth Proportional to 52,956.39, 79,467.39 and 30,780.21

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Solution

The fourth proportional to 52,956.39, 79,467.39 and 30,780.21 is: 46,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,956.39 : 79,467.39 = 30,780.21 : x
  2. Step 2: Convert to fraction form
    52,956.39/79,467.39 = 30,780.21/x
  3. Step 3: Cross multiply
    52,956.39x = 79,467.39 × 30,780.21
  4. Step 4: Simplify right side
    52,956.39x = 2,446,022,952.35
  5. Step 5: Solve for x
    x = 2,446,022,952.35/52,956.39
  6. Step 6: Final answer
    x = 46,189.38

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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.