Home / 53,173.42-73,378.51-30,511.91

Finding the Fourth Proportional to 53,173.42, 73,378.51 and 30,511.91

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Solution

The fourth proportional to 53,173.42, 73,378.51 and 30,511.91 is: 42,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.42 : 73,378.51 = 30,511.91 : x
  2. Step 2: Convert to fraction form
    53,173.42/73,378.51 = 30,511.91/x
  3. Step 3: Cross multiply
    53,173.42x = 73,378.51 × 30,511.91
  4. Step 4: Simplify right side
    53,173.42x = 2,238,918,493.05
  5. Step 5: Solve for x
    x = 2,238,918,493.05/53,173.42
  6. Step 6: Final answer
    x = 42,105.97

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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.