Home / 30,335.28-45,505.23-10,338.56

Finding the Fourth Proportional to 30,335.28, 45,505.23 and 10,338.56

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Solution

The fourth proportional to 30,335.28, 45,505.23 and 10,338.56 is: 15,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.28 : 45,505.23 = 10,338.56 : x
  2. Step 2: Convert to fraction form
    30,335.28/45,505.23 = 10,338.56/x
  3. Step 3: Cross multiply
    30,335.28x = 45,505.23 × 10,338.56
  4. Step 4: Simplify right side
    30,335.28x = 470,458,498.98
  5. Step 5: Solve for x
    x = 470,458,498.98/30,335.28
  6. Step 6: Final answer
    x = 15,508.63

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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.