Home / 30,629.60-45,944.60-10,908.92

Finding the Fourth Proportional to 30,629.60, 45,944.60 and 10,908.92

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Solution

The fourth proportional to 30,629.60, 45,944.60 and 10,908.92 is: 16,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.60 : 45,944.60 = 10,908.92 : x
  2. Step 2: Convert to fraction form
    30,629.60/45,944.60 = 10,908.92/x
  3. Step 3: Cross multiply
    30,629.60x = 45,944.60 × 10,908.92
  4. Step 4: Simplify right side
    30,629.60x = 501,205,965.83
  5. Step 5: Solve for x
    x = 501,205,965.83/30,629.60
  6. Step 6: Final answer
    x = 16,363.45

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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.