Home / 55,843.08-77,063.70-30,694.20

Finding the Fourth Proportional to 55,843.08, 77,063.70 and 30,694.20

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Solution

The fourth proportional to 55,843.08, 77,063.70 and 30,694.20 is: 42,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.08 : 77,063.70 = 30,694.20 : x
  2. Step 2: Convert to fraction form
    55,843.08/77,063.70 = 30,694.20/x
  3. Step 3: Cross multiply
    55,843.08x = 77,063.70 × 30,694.20
  4. Step 4: Simplify right side
    55,843.08x = 2,365,408,620.54
  5. Step 5: Solve for x
    x = 2,365,408,620.54/55,843.08
  6. Step 6: Final answer
    x = 42,358.13

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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.