Home / 53,173.42-73,378.52-30,511.92

Finding the Fourth Proportional to 53,173.42, 73,378.52 and 30,511.92

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Solution

The fourth proportional to 53,173.42, 73,378.52 and 30,511.92 is: 42,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.42 : 73,378.52 = 30,511.92 : x
  2. Step 2: Convert to fraction form
    53,173.42/73,378.52 = 30,511.92/x
  3. Step 3: Cross multiply
    53,173.42x = 73,378.52 × 30,511.92
  4. Step 4: Simplify right side
    53,173.42x = 2,238,919,531.96
  5. Step 5: Solve for x
    x = 2,238,919,531.96/53,173.42
  6. Step 6: Final answer
    x = 42,105.99

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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.